Used Internal Grinding Device for sale (22,935)
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Listing
Uttendorf
18,385 km
CNC - internal grinding machine
Voumard400 CNC
Call
Condition: good (used), Year of construction: 1985, Grinding depth 300 mm
Height of centers 300 mm
Cross movement of the grinding wheel head 150 mm
Min. grinding diameter 20 mm
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Max. grinding diameter 300 mm
Spindle head (U axis) 300 mm
Workpiece spindle head (B-Axis) +/- 32° (-23°) +2°
Max. table longitudinal movement 650 mm
Machine weight approx. 7.5 t
Auction
Auction ended
Hessen
18,513 km
Internal Grinding Machine
BWFSIU 3
Condition: ready for operation (used), Year of construction: 1998, functionality: fully functional, machine/vehicle number: 847/0021, center height: 1,180 mm, spindle speed (max.): 12,000 rpm, workpiece spindle speed (max.): 1,100 rpm, feed length X-axis: 350 mm, feed length Z-axis: 530 mm, Especially suitable for grinding operations, drilling, and flat surfaces for custom parts (e.g., various bevel gears)
TECHNICAL DETAILS
Center height: 1,180 mm
Max. grinding flat surface: Ø 200 mm
Max. grinding depth: 70 mm
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Closable bore: max. Ø 250 mm
Max. distance front edge of workpiece spindle – grinding wheel mount: 250 mm
Max. workpiece weight + clamping devices: 150 kg
X-axis: 350 mm
Z1-axis: 530 mm
Controller: CNC Sinumerik 840 D
Spindle Speeds
Main spindle (stepless): up to 12,000 rpm
Workpiece Spindle Speeds
Workpiece spindle (stepless): up to 1,100 rpm
Grinding Spindle
Type: 170 EGV 12-20 T
Tool mount: Ø 170 mm
Screw thread: M36 x 2
Swivel range: 3° fixed position
Workpiece Spindle
Spindle head: similar to DIN 55026 / Z7
Type: A6
Spindle bore (without chuck): Ø 46 mm
Cylinder correction: ± 5 min
Axis Drives
X1-axis (Siemens 1 FT6 062): 5.0 kW / 3.4 A / 3,000 rpm / IP 65 protection
Z1-axis (Siemens 1 FT6 064): 7.9 kW / 5.2 A / 3,000 rpm / IP 65 protection
S1-axis workpiece spindle (Siemens 1 FT6 084): 16.2 Nm / 11.3 A / 3,000 rpm / IP 65 protection
Feed Rates
X1-axis: 9,000 mm/min
Z1-axis: 18,000 mm/min
MACHINE DETAILS
Space requirement: 7,800 x 5,200 x 3,400 mm
Machine weight: 5,000 kg
Drive
Total connected load: 45 kVA
Total power demand: 45 kVA
Supply voltage: 400 V
Frequency: 50 Hz
Coolant requirements
Coolant quantity (process cooling): 100 l/min
Pressure: 2.0 bar
Noise Level
Sound level: 75 dB(A)
EQUIPMENT
- Linear portal (Felsomat)
- Oval cycle buffer (EWAB)
- Hydraulic unit according to DIN
- Special chuck (Röhm)
- Turbo dressing spindle (EFESIS)
- Air cleaner D2000 (IFS)
Listing
Stödtlen
18,529 km
External / internal cylindrical grinding machine
StuderS30
Call
Condition: refurbished (used), Year of construction: 2025, Studer S30
Center height: 125 mm
center width: 650 mm
Workpiece weight: 80 kg
Other freely selectable options:
- Completely new control cabinet with SPS-Basic and panel
- Conversion to ball screw incl. SPS-Pro (cycle controlled)
- "Workpiece memory"-SPS-PRO for 10/15/30/50 workpieces
- Glass scale in X- and Z-axis
- Swiveling internal grinding device
- Motor spindle for internal grinding device
- Frequency converter external grinding spindle
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- Frequency converter for internal grinding spindle
- Grinding sensor system
- Contact protection on external grinding spindle
- Safety door - manually operated
- Grinding wheel flange
- LED spot with flex arm
- suitable coolant system

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+44 20 806 810 84
+44 20 806 810 84
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*per listing / month
Listing
Hattingen
18,536 km
Internal Grinding Machine
JUNGD14
Call
Condition: used, Year of construction: 1973, min./max. hole to grind 8 / 10 mm
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max. grinding depth by internal grinding 150 mm
swing dia. 450 mm
workpiece spindle bore 35 mm
max. swivability 30 °
min/max. table longitudinal travel 5 / 150 mm/min
Internal Grinding Machine | D14 - 1973
The machine is in a well-maintained condition.
Please refer to further technical details in the attachement of the offer.
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#Tags: D-14 | D 14
Listing
Malsch
18,657 km
Grinding Wheel Profiling Device
ReishauerSPA
Call
Condition: excellent (used), max. width of grinding wheel 15 mm
max. dia. of grinding wheel 110 mm
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max. module 0,4 - 8
pressure angle 15 - 25 °
turning speeds 2650 U/min
total power requirement 0,4 kW
weight of the machine ca. 0,02 t
dimensions of the machine ca. 0,4 x 0,2 x 0,2 m
For profiling grinding snails for tooth flank grinding machines.
Finished and after-profile on the following models:
NZA, AZA, RZ 300 E, RZ 301 S, Rz 362 A, Am, ...
Adjustment plate on the right with micrometer screw adjustment axial
To bracket a diamond roll.
Listing
Malsch
18,657 km
Grinding Wheel Profiling Device
FAESSLERDSA EE 400
Call
Condition: excellent (used), Year of construction: 1999, max. width of grinding wheel 15 mm
max. dia. of grinding wheel 110 mm
max. module 0,5 - 10
pressure angle 15 - 25 °
turning speeds 2800 U/min
total power requirement 0,4 kW
weight of the machine ca. 0,02 t
dimensions of the machine ca. 0,4 x 0,2 x 0,2 m
For profiling grinding snails for tooth flank grinding machines.
Finished and after-profile on the following models:
NZA, AZA, RZ 300 E, RZ 301 S, Rz 362 A, AM, ...
Adjustment plate on the right with micrometer screw adjustment axial
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Radial adjustment plate with micrometer screw adjustment
2 precision motor spindles to absorb the diamond discs.
Listing
Berlin
18,139 km
Internal Cylindrical Grinding Machine
JungC8
Call
Year of construction: 1969, condition: ready for operation (used), Max. grinding depth: 80mm, distance spindle table: 145mm, spindle bore: 28mm, connected load: 7kW, length: 2100mm, width: 1400mm, height: 950mm, weight: 1.6t, with documentation, an inspection is possible.
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Listing
Schloß Holte-Stukenbrock
18,427 km
Cylindrical grinding machine- Surface- Internal- External
SIELEMANNR FuBR 80 NC
Call
Condition: ready for operation (used), Year of construction: 1983, functionality: fully functional, machine/vehicle number: 8151, rotary table diameter: 800 mm, grinding height: 750 mm, workpiece weight (max.): 800 kg, total height: 4,100 mm, total width: 26,650 mm, total length: 44,000 mm, feed length Y-axis: 750 mm, feed length Z-axis: 550 mm, overall weight: 13,000 kg, grinding wheel diameter: 400 mm, disc diameter: 400 mm, grinding spindle speed: 1,460 rpm, grinding diameter: 800 mm, control cabinet width: 650 mm, type of input current: DC, control cabinet height: 1,900 mm, control cabinet length: 1,800 mm, spindle speed (max.): 1,800 rpm, spindle speed (min.): 1,460 rpm, table load: 900 kg, workpiece diameter (max.): 850 mm, grinding wheel width: 60 mm, table width: 1,240 mm, power: 35 kW (47.59 HP), rapid traverse X-axis: 2 m/min, rapid traverse Y-axis: 100 m/min, rapid traverse Z-axis: 2 m/min, space requirement height: 4,100 mm, space requirement length: 5,100 mm, space requirement width: 2,655 mm, Good day,
For sale is a well-preserved and completely functional Sielemann cylindrical grinding machine for the following applications: surface grinding, internal grinding and external grinding.
The machine has a swivel stand with 3 different sanding heads for the respective area of application.
Complete machine documentation is available and can be presented upon inspection.
The Sielemann offered here has always been serviced and maintained, most recently the components listed below were replaced:
- 3x New weight compensation cylinders
- 1x new hydraulic unit (complete)
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- New guideway covers
- Revised rotary table group
Technical data
Machine length: 4.400mm
Machine width: 2,655mm
Machine height: 4.100mm
Machine weight: 13.000Kg
Control cabinet width: 650mm
Control cabinet height: 1.900mm
Control cabinet length: 1.800mm
Grinding table diameter: 800mm
Grinding table load capacity: 800kg
Grinding table drive power: 0.21 - 14.5KW
Grinding table speed: 100 1/min (both directions)
Grinding table workpiece clamping: Magnetic clamping plate incl. T-slots
Z-axis travel (grinding table): 550mm
Maximum grinding height (Y): 750mm
Lubrication pump Masch. Bed: 0,18KW
Lubrication pump Masch. Column: 0,1KW
Leak oil pump: 0,065KW
Hydraulic pump: 1.5KW
1) External round grinding head
Spindle drive power: 11KW
Spindle speed: 1,450 1/min
Grinding wheel: 400x50mm
Cone grinding spindle mount: D=65mm
Taper pitch: 1:5
Feed speed (Y): 100 mm/min
2) Internal round grinding head
Spindle drive power: 5.5KW
Grinding wheel: Variable
Feed speed (Y): 100 mm/min
3) Flat-round sanding head
Spindle drive power: 11KW
Spindle speed: 1,800 1/min
Grinding wheel: 400x50mm
Cone grinding spindle mount: D=65mm
Taper pitch: 1:5
Feed speed (Y): 100 mm/min
Viewing appointments possible at short notice by arrangement !!!
With kind regards
R.Suckow / Managing Director
UNITTOOL Werkzeugmaschinen GmbH
33758 Schloß Holte Stukenbrock
Görlitzerstraße 9
Listing
Settimo Milanese
18,781 km
Internal and face grinding machine
VOUMARD203 L 10
Call
Condition: good (used), HOLE DIAMETER: 1-100mm
HOLE DEPTH: 230-350 mm
PIECE DIAMETER: 360-500 mm
PIECE LENGTH: 850-1000 mm
PIECE HEAD INCLINATION: 15°
PIECE WEIGHT: kg
GRINDING WHEEL REVOLUTIONS: 18.000-24.000 al'
PIECE SPINDLE REVOLUTIONS: 140-1120 al'
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POWER: kW
WEIGHT: 4,5 ton
Auction
Auction ended
Germany
18,582 km
Internal and external cylindrical grinding machine
BahmüllerB 45-9 CNC
Condition: good (used), Year of construction: 2005, functionality: fully functional, feed length X-axis: 200 mm, feed length Y-axis: 200 mm, feed length Z-axis: 100 mm, workpiece spindle speed (max.): 90,000 rpm, controller model: Bosch Rexroth MTX, No reserve price - guaranteed sale at the highest bid!
TECHNICAL DETAILS
Area of application: Hard machining
Control: Bosch Rexroth MTX
Working area
Axes: 6 axes
X1,Z1, X2 & Z2: Hydrostatic axes
B1: Workpiece spindle
P01: Internal loader
Dimensions working area: 200 x 200 x 100 mm
Spindle & tools
Number of work spindles: 1 (1x internal grinding, 1x external grinding)
Number of tools: 2
Tool holder: External wheel max. Ø500 mm, internal wheel for high frequency spindle
Speeds
Workpiece: max. 1,375 rpm
External grinding wheel: max. 1,375 rpm
Internal grinding wheel: max. 90,000 rpm (high frequency spindle)
MACHINE DETAILS
Machine dimensions (LxWxH): 3.9 x 2.7 x 2.62 m
Machine weight: 6,050 kg
EQUIPMENT
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- Part handling: Manual or with Baumann loader
- Exhaust air: Extraction system from LOSMA
- Units: Hydraulic and hydrostatic oil supply
- Cooling unit for hydrostatics and high-frequency spindle
Listing
Bruchsal
18,631 km
Internal and surface grinding machine / JUNG D22
JungD22
Call
Condition: good (used), JUNG D22 / Internal Cylindrical Grinding Machine
- Machine suitable for internal cylindrical grinding and face grinding
- Smallest machinable bore: 14 mm
- Largest machinable bore: 150 mm
- Grinding length without face grinding attachment: 250 mm
- Grinding length with face grinding attachment: [information not provided]
- 6 workpiece spindle speeds: 46–270 rpm
- Spindle head swivels left/right: 30 degrees
- Distance from spindle axis to table center: 250 mm
- Maximum distance between workpiece spindle and grinding support: 935 mm
- Spindle head adjustable/skewed up to 30 degrees each
- Worktable adjustable/skewed forward/backward up to 5 degrees each
- Manual / automatic operation
- Taper grinding attachment
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- Steady rest
- 3-jaw chuck
- Spare grinding spindles
Dimensions:
LxWxH: 2.8 x 1.5 x 1.8 meters / Weight: 3500 kg
Errors and omissions excepted.
Listing
Hilden
18,567 km
Internal cylindrical grinding machine
Voumard150 CNC
Call
Year of construction: 2002, condition: refurbished (used), I offer on behalf of a customer and on his account a
VOUMARD 150 CNC L 1300
for sale.
The machine is equipped with:
4-fold turret 3 x inside, 1x empty space for outside
pneumatic swivelling dresser
diameter max 350 mm
length max 1.300 mm
CNC Fanuc 32 i
very extensive accessories among others several hydr. steady rests, power chucks etc. View under "Documents
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Machine can be inspected under power at the owner's premises.
The machine was overhauled in 2016
In addition, I offer 2 pieces of grinding spindles Voumard VMX 90 A, once new, once reconditioned. The can also be purchased seoerat
Listing
Brügg
18,830 km
CNC external and internal grinder
DVSUGRIND 800
Call
Condition: used, DVS UGRIND 800 is a CNC external and internal grinder, engineered for precision, high accuracy and reliability. Handles workpieces Ø 130–500 mm; Z axis 1200 mm, X axis 250 mm. Grinding spindle 25 kW; workpiece spindle motor 24 kW; speeds 0–500 t/min stepless; supply 50 Hz 3x 400 V; weight ~7000 kg; L2850×W2490×H2290 mm; operating time 12000 Heures. Accessories: coolant system, coolant filter system, measuring feeler gauge, set of flanges for internal grinding, set of flanges, lamp, tool cabinet, electronic handwheel. Capable of achieving tight tolerances; typical applications: automotive, machine tools, aerospace, medical, watchmaking.
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Listing
Contamine-sur-Arve
18,946 km
Internal grinder cnc
STUDERS110
Call
Condition: used, TECHNICAL DETAILS
- Grinding length : 120 [mm]
- center height : 102 [mm]
- Max. part length : 230 [mm]
- X/Z stroke : 450 / 200 [mm]
- Rapid traverses rates (X/Z) : 12000 [mm/min]
SPINDLE SUPPORT
- Number of spindles : 1
- Spindle speeds : 42.000 [rpm]
- Power : 3 [kW]
PART-HOLDER HEADSTOCK
- Speed : 1500 [rpm]
- Power : 1.4 [kW]
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- Spindle passage : 28.6 [mm]
- Type of cone : A2.4/CM5
- B axis adjustment angle (manual) : +/- 2 [°]
- C axis indexing precision : 0.0001 [°]
POWER SUPPLY
- Supply voltage : 400 [V]
- Total installed power : 34 [kVA]
WEIGHT & DIMENSIONS
- Machine floor space : 3600 x 2800 [mm]
- Machine weight : 2600 [kg]
MACHINE HOURS
- Number of hours under power : 1022 [h]
EQUIPMENT
- CNC : Fanuc 0i-TFP
- Software StuderSIM
- Coolant tank
- Coolant through spindle
- Oil mist extractor
- Diamond grinding device
- Workpiece probe
Listing
Contamine-sur-Arve
18,946 km
Internal grinder
VOUMARD5S
Call
Condition: used, Internal grinder VOUMARD 5S
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Listing
Contamine-sur-Arve
18,946 km
Internal grinder
VOUMARD6A
Call
Condition: used, TECHNICAL DETAILS
- max. grinding length: 500 [mm]
- max. grinding diameter: 3000 [mm]
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EQUIPMENT
- 1 grinding spindle 12000 [t/mm]
- retractable wheel dressing device
- coolant tank with pump and paper filtration
Listing
Contamine-sur-Arve
18,946 km
Internal grinder cnc
STUDERCT 450
Call
Condition: used, TECHNICAL DETAILS
- Grinding length : 120 [mm]
- Center height : 102 [mm]
- Strokes (X/Z) : 450 x 200 [mm]
- Max speeds (X/Z) : 12 [m/min]
SPINDLE SUPPORT
- Spindle number : 2
WORKPIECE HEADSTOCK
- Max. workhead speeds : 1500 [rpm]
- Spindle clearance : 28.6 [mm]
- Power : 1.4 [kW]
- Mounting tape r: A2.4/CM5
- Torque : 150 [Nm]
- Manual B axis angle : +/- 2 [°]
- C axis : 0.0001 [°]
POWER SUPPLY
- Installed power: 34 [kVA]
DIMENSIONS
- Floor dimensions : 3600 x 2800 [mm]
- Machine weight : 2600 [kg]
MACHINE HOURS
- Number of hours under power : 26781 [h]
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EQUIPMENT
- Fanuc Oi-TD control
- Spindle centre coolant
- Cooling unit for spindle cooling
- Loading robot
- 2 spindles available : 59.600 - 41.600 [rpm]
- Dressing turbine
Listing
Wiefelstede
18,341 km
Camera control
Vision Device2 Kameras
Call
Condition: good (used), Image processing control unit, camera control
-Manufacturer: Vision Device, camera controller for 2 cameras
-Type: unfortunately no further type designation
-Individual components/connectors: see photos
-Dimensions: 200/145/H110 mm
-Weight: 1.4 kg
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Listing
Zheng Zhou Shi
10,533 km
Powder grinding machine
Fine powder grinding mill, clinker millSuperfine ball mill for micro powder
Call
Condition: new, Year of construction: 2025, A superfine ball mill is a type of milling machine that is used to grind materials into very fine particles. This type of ball mill has some distinctive features that make it especially suitable for processing even the hardest materials with low contamination and minimal wear. It is commonly used in various industries, including pharmaceuticals, minerals, pigments, and chemicals, for producing micro powder or nanoparticles.
Here are some key features and considerations for a superfine ball mill for micro powder:
1. High Grinding Efficiency: Superfine ball mills are designed to achieve high grinding efficiency by utilizing grinding media with a relatively small size, leading to a large surface area for grinding.
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2. Precision Control: These mills often come with advanced control systems to regulate parameters like rotation speed, temperature, and grinding time, allowing precise control over the particle size distribution.
3. Specialized Design: The mill is typically designed with features to minimize contamination, such as using materials resistant to wear and corrosion. Some mills also have cooling systems to prevent overheating during the milling process.
4. Variety of Materials: Superfine ball mills can handle a wide range of materials, including both brittle and fibrous substances. They are often used for milling hard materials that require fine grinding, such as ceramics, minerals, or pigments.
5. Size Reduction to Micro or Nano Level: The primary goal of a superfine ball mill is to reduce particle size to the micro or even nano level. This is achieved by the intense grinding action that occurs within the mill.
6. Classifier System: Some superfine ball mills incorporate a classifier system to control the particle size distribution more precisely. This allows for the separation of fine particles from coarser ones during the milling process.
7. Batch or Continuous Operation: Depending on the specific design, these mills can operate in either batch or continuous mode, offering flexibility based on the production requirements.
8. Safety Measures: Safety features may be included, such as monitoring and control systems to prevent overloading, overheating, or other potential issues during operation.
When selecting a superfine ball mill for micro powder production, it's important to consider the specific requirements of your application, the characteristics of the materials you're working with, and the desired final particle size distribution. Always follow the manufacturer's guidelines for operation, maintenance, and safety to ensure optimal performance and longevity of the equipment.
Listing
Zheng Zhou Shi
10,533 km
Grinding mill
Abrasive Aluminium Oxide Grinding PlantMicrosilica powder Grinding Mill
Call
Condition: new, functionality: fully functional, Year of construction: 2025, Microsilica, also known as silica fume or condensed silica fume, is a byproduct of producing silicon metal or ferrosilicon alloys. Microsilica powder grinding mills are used to process microsilica powder for various applications, including the production of high-performance concrete, refractory materials, and other specialty products. Grinding mills play a crucial role in reducing microsilica particles to the desired fineness. Here are some key aspects related to microsilica powder grinding mills:
1. Mill Types:
- Ball Mill: A traditional ball mill is commonly used for grinding microsilica. It relies on the impact and attrition forces to reduce particle size. It is effective for both wet and dry grinding.
- Vertical Roller Mill (VRM): VRM technology is known for its energy efficiency and the ability to grind materials into a narrow particle size distribution. It is suitable for grinding microsilica.
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2. Grinding Process:
- The grinding process involves feeding microsilica particles into the grinding mill. The grinding media (balls or rollers) inside the mill crush and grind the microsilica particles into a fine powder.
3. Particle Size Distribution:
- Controlling the particle size distribution is crucial for achieving the desired properties in the final product. The grinding mill should be equipped with mechanisms to control and monitor particle size distribution.
4. Mill Design and Components:
- The design of the grinding mill, including the type of grinding media, liners, and the grinding chamber, influences the efficiency and performance of the milling process for microsilica.
5. Air Classification (Optional):
- In some cases, air classification systems are integrated into the grinding process to separate fine particles from coarser ones, ensuring a more uniform product.
6. Control Systems:
- Advanced grinding mills often come with automated control systems to regulate various parameters such as feed rate, mill speed, and product fineness.
7. Material Handling:
- Efficient material handling systems are essential to transport microsilica to and from the grinding mill. This may involve pneumatic or mechanical conveying systems.
8. Cooling Systems:
- Grinding processes generate heat, and efficient cooling systems are often integrated to maintain the temperature within a controlled range.
9. Dust Collection:
- Microsilica powder grinding can produce airborne dust. Dust collection systems are necessary to maintain a clean and safe working environment.
10. Quality Assurance:
- Grinding mills for microsilica should be equipped with quality assurance features, such as in-line particle size analysis, to ensure consistency in the final product.
When selecting a microsilica powder grinding mill, factors such as production capacity, energy efficiency, and the required particle size distribution should be considered. Additionally, mills should be chosen based on the specific characteristics of the microsilica being processed and the intended application of the final product.
Listing
Zheng Zhou Shi
10,533 km
Fine Powder Grinding Plant
Cement mill & Ultrafine Grinding MillFine Powder Grinding Plant
Call
Condition: new, functionality: fully functional, Year of construction: 2025, Cement Mill & Ultrafine Grinding Mill
🏗️ Introduction to Cement Mill & Ultrafine Grinding Mill
In the world of construction and materials processing, achieving the right particle size is essential. Introducing the Cement Mill and Ultrafine Grinding Mill—two pivotal machines designed to deliver superior grinding performance for cement production and ultrafine materials. Let’s dive into their features and applications! 💼
🔥 What is a Cement Mill?
A Cement Mill is a crucial piece of equipment in cement production. It grinds clinker, gypsum, and other additives to produce fine cement powder. This machine ensures the optimal particle size for high-quality cement, essential for building robust structures. 🚀
🔧 What is an Ultrafine Grinding Mill?
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An Ultrafine Grinding Mill is designed to produce extremely fine powders from various raw materials, such as minerals, chemicals, and industrial waste. It operates at high efficiency, delivering ultra-fine materials for advanced applications like coatings, plastics, and ceramics. 🌟
💼 Key Benefits of Using Cement Mill & Ultrafine Grinding Mill
1. High Efficiency: Both mills are engineered for maximum efficiency, ensuring rapid processing times and reduced energy consumption. 🌿💡
2. Superior Grinding Performance: Achieve consistent, high-quality output with precise control over particle size. 🏭
3. Versatility: Suitable for a wide range of materials, making them essential for various industrial applications. 🌳
4. Durability and Reliability: Built with robust materials, these mills offer long-lasting performance in demanding industrial environments. 💪
📈 Applications in Industry
Cement Mill Applications:
1. Cement Production: Essential for producing high-quality cement for construction projects.
2. Infrastructure Development: Used in creating concrete for roads, bridges, and buildings.
Ultrafine Grinding Mill Applications:
1. Mineral Processing: Producing ultra-fine powders for advanced material applications.
2. Chemical Manufacturing: Used in creating fine chemicals for various industrial processes.
3. Environmental Applications: Grinding industrial waste for recycling and reuse. ♻️
🌟 Conclusion
Whether you’re in construction, materials processing, or advanced manufacturing, the Cement Mill and Ultrafine Grinding Mill are indispensable tools. Their efficiency, versatility, and superior performance make them a valuable addition to any production line. Contact us today to learn more about these innovative machines and how they can revolutionize your operations! 📞
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Listing
Zheng Zhou Shi
10,533 km
Cement mill,clinker grinding plant
Clinker grinding mill / cement ball millcement grinding with air classifier
Call
Year of construction: 2025, condition: new, functionality: fully functional, A cement clinker grinding mill is a specialized equipment used to grind the hard nodular clinker into fine powder, which is cement. Most cement is currently ground in ball mills and also vertical roller mills, which are more effective than ball mills.
Here are key features and information about cement clinker grinding mills:
1. Raw Materials:
- The main raw material for making cement is clinker, which is produced by sintering limestone and clay. Other materials such as gypsum, fly ash, or slag may also be added during the grinding process to achieve specific properties.
2. Grinding Process:
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- The clinker and other additives are finely ground in the grinding mill to produce cement. The grinding process is a crucial step in cement production and contributes significantly to the final quality of the product.
3. Types of Mills:
- Ball Mills: Traditional ball mills are commonly used for grinding clinker. They operate by rotating a cylinder with steel grinding balls, causing the balls to fall back into the cylinder and onto the material to be ground.
- Vertical Roller Mills (VRM): VRM technology has become increasingly popular for clinker grinding. These mills use a rotating table with rollers to crush and grind the clinker, providing energy efficiency and a smaller footprint compared to ball mills.
4. Gypsum Addition:
- Gypsum is often added during the grinding process to control the setting time of the cement. It prevents flash setting of the clinker and facilitates the formation of a workable and pumpable cement paste.
5. Quality Control:
- Quality control measures, such as monitoring the fineness of the cement, chemical composition, and other properties, are implemented during the grinding process to ensure the final product meets the required specifications and standards.
6. Clinker Cooling:
- Before grinding, the clinker is produced by heating the raw materials in a kiln. The clinker is then cooled before entering the grinding mill to prevent excessive heat build-up during grinding.
7. Dust Collection and Environmental Considerations:
- Dust collectors and air pollution control systems are often employed to capture and control the dust generated during the grinding process, addressing environmental and safety concerns.
8. Packaging and Storage:
- After grinding, the cement is typically stored in silos before being packaged in bags or dispatched in bulk for distribution to construction sites or for sale in the market.
Cement clinker grinding mills play a crucial role in the cement production process, and advancements in technology continue to improve the efficiency and environmental sustainability of the grinding process.
Listing
Zheng Zhou Shi
10,533 km
Mill / grinding mill
Batch Ball Mill, Silica grinding millQuartz ball mill, silica powder grinding
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Year of construction: 2025, condition: new, ceramic ball mill ,Batch ball mill ,also called ceramic ball mill ,it is used for fine grinding of feldspar,quartz,clay,ore and so on.The ceramic ball mill is mainly used for material mixing, grinding,uniform product fineness,and saving power.It can be dry or wet.The machine can use different liner types according to production needs to meet different needs.The fineness of the grinding operation is controlled by the grinding time
ceramic ball mill Working principle
when ball mill working,steel balls inside drum will rotate with the drum to some height,and then steel balls fall down with materials to reach the point of grinding.
Working Principle of Ceramic ball mill
ceramic ball mill ,Intermittent ball mill grinding operation is finished in the cylinder body. When the cylinder rotates, materials ascend to a certain height and then fall along a certain path due to the balls' gravity. Two forces are generated on the balls inside. One is the force on balls through tangent direction; the other is a opposite force in the contrast to the diameter of balls, as a result of the force generated when the balls slide down. These two forces will constitute a couple for the steel balls. The balls are squeezed between the cylinder and the adjacent steel balls, so the couple can make unequal-sized friction force. The balls will orbit along with the cylinder axis and then fall down, which can produce a strong impact force on the ores in the cylinder body and, as a result, the ores will be crushed. In conclusion, the ores in the cylinder body are mainly crushed by composite effect of peeling force, impact force and extrusion force.
Ceramic ball mill also named Intermittent ball mill which adopts the wet intermittent operation, is used for fine grinding and mixing the material such as feldspar, quartz, clay ceramic raw materials. The discharging and the mud size can through through 1000 sieve pore. This machine is high milling machinery, materials should be Broken in the fineness of the state into the grinding mill to get the highest efficiency and economic benefits.
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The cement mill is key equipment for the grinding process of the cement clinker after the crushing process of it. It is mainly used in the cement silicate product industry. After long term design and manufacture of the cement mill, our company now has series of cement mill with various specifications to meet with different requirement from our customers.
Features of Cement Mill
Our company adopts suitable transmission methods according to different specifications. We have brim drive and center drive as transmission form. The cylinder adopts new type step lining to increase the grinding area. And it is easily repairable and changeable. The new designed separate-chambered structure adopts flexible lifting blade and fixed lifting blade and it is easily fixed and repaired.
Working Principle of Cement Mill
The cylinder will rotate by the transmission device. Due to the inertial centrifugal force, the steel balls will stick on the liner plate and rotate with the cylinder together. When the steel balls come to a certain height, it will fall down by gravity and impact the raw material. And the repeated going-up, falling down, slide and roll of the steel balls can grind the raw material together with the liner plates.
Listing
Zheng Zhou Shi
10,533 km
Roll forming line
Rod ball mill / Rod Grinding MillFor Sand and mining beneficiation plant
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Condition: new, Year of construction: 2025, We have various kinds of ball grinding mill such as batch ball mill, rod mill, cement ball mill, mining ball mill, welcome to contact our team for further details according to your specific requirements.
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Listing
Zheng Zhou Shi
10,533 km
Roll forming line
ball grinding mill for mining &fine sandsilica/Barite/limestone powder plant
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Condition: new, Year of construction: 2025, power: 300 kW (407.89 HP), A ball mill is a key equipment in the grinding process of barite. It is designed to grind and blend solid or hard materials into smaller pieces, particularly powder. In a barite grinding plant, ball mill is often used for grinding barite into an ultrafine powder for various applications.
Here are key features and aspects of a ball mill used for barite grinding in a plant:
1. Mill Structure:
- The ball mill for barite grinding typically consists of a horizontal cylindrical shell with ends that are flanged and bolted on. The ends may contain openings for feeding and discharging the barite.
2. Grinding Media:
- Steel or ceramic balls are commonly used as grinding media in the ball mill. The grinding media helps in the grinding process by reducing the size of the barite particles.
3. Rotation:
- The mill rotates on its horizontal axis. The rotational motion of the mill, driven by a motor, causes the grinding media to cascade and grind the barite.
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4. Feed and Discharge:
- Barite is typically fed into the ball mill through a hopper or a conveyor. The ground barite particles are discharged from the mill through a discharge end.
5. Control System:
- Modern ball mills are equipped with control systems to monitor and regulate critical parameters, such as mill speed, feed rate, and temperature. This allows for precise control of the grinding process.
6. Size Reduction:
- The primary purpose of the ball mill is to reduce the size of barite particles. Grinding occurs as the barite is subjected to the impact and friction forces of the grinding media.
7. Classification:
- Depending on the desired fineness, a classification system may be integrated into the ball mill to separate fine particles from coarse ones. This ensures that the final product meets the required specifications.
8. Dust Collection:
- A dust collection system may be incorporated to capture and collect fine particles generated during the grinding process, ensuring a clean and safe working environment.
9. Liners:
- The interior of the ball mill is often lined with wear-resistant materials, such as steel or rubber, to protect the mill shell from abrasion and ensure longer equipment life.
10. Application in Barite Processing:
- The ball mill in a barite grinding plant is a crucial piece of equipment for processing barite ore into a fine powder. This powder is used in various industries, including oil and gas drilling, coatings, and pharmaceuticals.
11. Safety Features:
- Safety features, such as monitoring devices and emergency shutdown systems, are typically incorporated into ball mills to ensure safe operation.
The specific design and features of a ball mill for barite grinding can vary among different manufacturers and applications. It is essential to follow proper procedures and guidelines for the operation and maintenance of the equipment to ensure optimal performance and longevity.
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