Used Guide Rail Grinding Machine for sale (73,849)

Condition: new, Year of construction: 2025, Dimensions (L/W/H) 2450x820x1380 mm Weight 1500 kg Fjdpfx Ajvz E Eied Iopi Total power requirement 2,5 kw

Condition: used, Year of construction: 1981, x-travel 650 mm y-travel 450 mm workpiece height 585 mm Control ADCOS CNC 400 total power requirement 15 kW weight of the machine ca. 5000 kg dimensions of the machine ca. m H A U S E R (Switzerland) CNC Controlled Hi Precision Double Column Jig Grinder Model S 40 – CNC 311 / ADCOS 400 CNC Year 1981 / CNC modernized in 2008 # 0126 _____ Table size approx. 630 x 770 mm Table load capacity approx. 500 kg Table travel longitudinal max. (X) 650 mm Grinding head slide cross max. (Y) 450 mm Vertical adjustment of cross rail max. (W) 500 mm Grinding spindle stroke max. (Z) 140 mm Stroke number of grinding head (4cycles) 0,5-12 m/min. Vertical distance between Table/grinding spindle 0-585 mm Distance between columns 750 mm Conical grinding max. 16 ° Grinding-Ø bore approx. 230/360 mm 18 spindle speeds depending on spindle motor infinitely variable 4.500-80.000 rpm Fedot Hw S Uspfx Ad Ispi Fine feeds in X and Y-axis and W-axis 0,5-1.500/3.000/800 mm/min. Planetary speed (C) 5-250 rpm U-axis, radial feed 6 mm Total electrical load approx. 15 kW - 400 V – 50 cycles Weight approx. 4.500 kg Accessories/ Special Features: • CNC Pathcontrol replaced and modernized into a ADCOS Control Model CNC 400, (German Manufacturer) including large monitor and relevant software, electronic handwheel, for following axis: X=Table length, Y= spindlehead carriage cross, Z= Quill vertical/stroke, C=Quill-Rotation,U=Circular Infeed, w=Vertical adjustment of cross rail. • Z-axis as rapid stroke for shorter processing times, plunge-cut grinding, face grinding, Pre-selection of reversing stops (start movement + teach-in) and of stroke speed (infinitely variable), • U-axis as manual and controlled feed-axis radial, mounted on grinding head, with electr.display of feeding size 1 Grinding motor mounted on spindle, maybe up to a spindle speed of 30.000 rpm, • Mounted accustic grinding contact-display device KSV 5 • Separate standing coolant facility, switching- and control cabinet, separate hydraulic system, central lubrication system, dust suction, etc Condition : very good / can be inspected under power Delivery : ex stock – as inspected Payment : net – after completion of contract

Condition: used, Year of construction: 1987, x-travel 400 mm y-travel 250 mm workpiece height 485 mm Control ELESTA CNC 314 total power requirement 10 kW weight of the machine ca. 4000 kg dimensions of the machine ca. m H A U S E R CNC - Controlled Vertical Precision Coordinate Grinding Machine Model S 3 – CNC 314 Year 1987 / 1998 partially reconditioned by Swiss-HTT # 0463 _____ Table size, approx. 600 x 380 mm Max. load on table, approx. 300 kg Table travel, longitudinal, max. (X Axis) 400 mm Table travel, cross, max. (Y Axis) 250 mm Vertical adjustment of grinding head max. (W Axis) 450 mm Stroke of grinding spindle, max. (Z Axis) 120 mm Table Longitudinal and cross feeds (X/Y-Axis) 0 – 1.500 mm/min Speed of grinding head stroke 15 – 7.500 mm/min Vertical distance between table and grinding spindle, max. 0 – 485 mm Distance between grinding spindle and column 350 mm Conical grinding, up to max. 16 ° Grinding Ø bore approx. 230 mm 18 Spindle speeds, depending on spindle motor 4,500 – 80,000 rpm Planetary speeds (C-Axis) 5 – 250 rpm U Axis, radial infeed 6 mm Total electrical load, approx. 10 kW - 380 V - 50 Hz Weight, approx. 4.000 kg Accessories / Special Features: * CNC Continuous Path Control, Model CNC 314, (ELESTA-POLESTA II) with monitor,for 4 axes (XYC+U) in 2 1/2 dimension (XYC) Interpolation with a free programming,the U-Axis is not interpolating it is just an infeed axis. There is also a handwheel controldevice for setting – up purposes. Digital Read-out for the Z-Axis W Axis for vertical positioning of grinding head, Z Axis as high speed stroke axis, also for blind-hole grinding and Fjdpet Hw Txefx Ad Iopi surface grinding. U Axis for the infeed cycles during bore grinding. C Axis Feed for the of the Planetary Head. * Alltogether 2 grinding turbines 22.500 to 80.000 rpm, with some collets * Built-on Acoustic Grinding Contact Display Device Model KSV 5. * Separate coolant unit with band filter. * Built-on fire extinguishing system. Separate switch and control cabinet. Covered working area. Separate hydraulic unit * Central lubrication, service tools. Condition : Very good - Machine can be inspected under power. Delivery : Ex stock - as inspected under power. Payment : Net, after conclusion of contract

Condition: used, Year of construction: 1986, workpiece diameter 460 mm threading length 900 mm thread pitch 100 mm total power requirement 10 kW weight of the machine ca. 8 t dimensions of the machine ca. m Fjdpet H Smtofx Ad Ijpi

Condition: used, Year of construction: 1985, grinding length 600 mm grinding width 200 mm total power requirement 7,5 kW weight of the machine ca. 2,3 t Fodpfxewd Tx Ue Ad Ijpi

Condition: excellent (used), Year of construction: 1978, grinding length 500 mm Fedpszbczrjfx Ad Ijpi grinding width 200 mm

Condition: used, Year of construction: 1982, x-travel 0 mm y-travel 0 mm table length 600 mm table width 400 mm total power requirement 2 kW weight of the machine ca. 1500 kg Fpjdpfxet Hwr Uj Ad Iei

Condition: used, O F F E R We can offer you ex stock, subject to prior sale and errors: TSCHUDIN (CH) Centerless cylindrical grinding machine Model TC-300 Year of manufacture 2001 Grinding range – Ø 0.5 – 25 mm (30) Max. workpiece length for plunge grinding 125 mm (140) Max. workpiece length for through-feed grinding 300 mm Grinding wheel dimensions: Ø x width Ø 300 x 125 mm (140) Regulating wheel dimensions: Ø x width Ø 225 x 125 mm (140) Grinding wheel peripheral speed 35 m/sec Grinding wheel infeed 3 mm Regulating wheel speeds, steplessly adjustable 0 – 444 rpm Regulating wheel inclination Degrees Grinding wheel drive approx. 7.5 kW Total connected load approx. 13 kW – 380 V – 50 Hz Weight 2,500 kg Accessories / Special equipment: • The machine operates with a fixed workpiece position, allowing both the grinding spindle and the regulating spindle units to be adjustable. This simplifies machine setup as well as automatic workpiece loading and unloading. • SIEMENS PLC control for automatic operation with SIEMENS touchscreen. Complete electrics and PLC control renewed in 2016! • Electromechanical profile dressing device for the regulating wheel • Regulating and grinding wheel speeds are steplessly adjustable. • Adjustable plunge guide bridge with mounted plunge workpiece rest • Electromechanically controlled workpiece pusher & automatic pneumatic workpiece ejector • Additional outfeed cylinder for automatic tilting of workpieces after plunge grinding (adjustable 4–30 mm) • Machine is prepared for use with a HELP-TEC bar loader MSHL08/400P, which is currently not present. • Complete enclosure of working area with monitoring technology Fsdpowftt Uefx Ad Iopi • Separate control cabinet, operating and electrical manuals for the retrofit Condition: Very good! Fitted with new electronics in 2016! Click here for a video of the machine: Delivery: ex stock, immediately available, FCA Metzingen Payment: strictly net – after receipt of invoice Always a large selection of grinding machines in stock – please inquire for your requirements!

Condition: excellent (used), Year of construction: 2004, Description to follow! Fodpfx Adexy S D Se Iepi

Condition: excellent (used), Year of construction: 1972, total power requirement 22 kW weight of the machine ca. 8 t Q U O T A T I O N We are pleased to offer you ex our stock, subject to prior sale, and error in technical data : DISKUS Double Disc Surface Grinding Machine in C-form with rotary workpiece feeding system and automatic dressing cycle model DDS 600 RAM year 1972 / 2002 modernized Serial no 6967 _____ Grinding wheels Ø, each 600 mm Grinding wheels bore x height, approx. 75 / 150 mm Grinding wheel speeds Upper wheel 95 – 955 rpm (3-30 m/s) Lower wheel 765 rpm (24 m/s) Grinding spindle drive, each 30 kW Workpiece dimensions: Grinding width (or workpiece diameter) approx. 20 - 120 mm Grinding (workpiece) height max 50 mm Hydraulic infeed impulse 0.0025 – 0.05 mm Total feed way 150 mm External Ø of workpiece carrier disk 810 mm Feeds of rotary workpiece feed system, infinitely variable 25 – 241 mm/s Fpsdpfx Adjxqrbxs Iji Total electrical load, approx. 50 kW - 380 V - 50 Hz Weight, approx. 8,000 kg Accessories / Special Features: • In 2002 updated IONIC gauge control Model 17A with monitor and direct input of workpiece data including tolerance range, workpiece counting, statistics. The workpieces are continuously measured via two opposite tracer heads, automatically triggering an hydraulic infeed when needed. • Rotary workpiece feed system with Workpiece carrier wheel (Ø 800 mm) and infinitely variable speed adjustment. • Workpiece height check to avoid crashing with griding wheels • Automatic hydraulic dressing device between the two grinding wheels for simultaneous dressing of both wheels. Dressing cycle can be preset (no. of workpieces/time). Hydraulic return of upper grinding slide to original position/workpiece/thickness (saves a lot of time). • ELBARON Oilmist Extractor with stand and adjustable suction cone • Walkable steel podium for easy machine operating and monitoring • Grinding wheel exchanging device, various spare grinding wheels • Central lubrication using grease and oil mist * Separate switch cabinet. * Separate hydraulic unit. • Currently no coolant filtration device available (can may be supplied separately). This machine is ideal for double-sided simultaneous grinding of parallel workpiece surfaces by continuous method, for maximum output and accuracy in mass production (e.g. Bearing rings, Piston rings, washers, hydraulic parts, and other pressed parts.) Condition : very good ! Very well maintained ! Please click here to soon view a video of the machine running : ! Delivery : immediately available, FCA Metzingen Payment : 100 % Net, after conclusion of contract, before loading

Condition: excellent (used), Year of construction: 1991, swing diameter 400 mm Q U O T A T I O N We are pleased to offer you ex our stock, subject to prior sale, and error in technical data : WMW - GLAUCHAU Hydraulic Internal Grinding Machine with Face Grinding Device model SI 6/1 AS-N x 315 year 1991 Internal grinding diameter 40 - 400 mm Fodpoxyllvjfx Ad Ijpi Internal Grinding depth, max. 315 mm Max. grindable External dia. 400 mm Weight of workpiece without steady, max. 630 kg Workpiece Swing Ø, with / without safety hood, max. 500 / 600 mm Height of centre above table 360 mm 16 step workpiece spindle speeds 40 – 400 rpm Workpiece spindle bore, approx. 53 mm Workpiece headstock swivelling max. 30 ° Adjustment of workpiece headstock position crosswise, max. 400 mm Automatic cross traverse of grinding head 70 mm Adjustment of grinding head position on slide crosswise, approx. 100 mm Feed of grinding head, intemittendly 0.001 – 0.025 mm/stroke Feed of grinding head, continually 0,1 – 1 mm/min Table stroke, max. 630 mm Table speeds infinitely variable 0,1 – 8 m/min (10 m/min) Distance workpiece headstock and grinding slide, max. 1,250 mm Adjustment of Grinding spindel stock on table 520 mm Spindle drive, approx. 7.5 kW Total electrical load, approx. 17 kW - 380 V - 50 Hz Weight, approx. 6,000 kg Accessories / Special Features: • Universal internal grinding spindle head with automatic cycles to grind cylindrical and conical bores with one or multiple diameters, external diameters and grinding of narrow end-faces. • Face grinding device, hydraulic swivel-in, with automatic cycles to grind end-faces, multiple end-faces and two tiered end-faces simultaneously • Electronic cycle control with control tableau to set up all the grinding and dressing cycles including ampere-meters for internal grinding spindle and face grinding spindle • Belt-type grinding spindle drive with mounted grinding spindle and 5 pieces separate interchangeable grinding spindles along with various pulleys with various diameters. • Dressing device for both grinding spindles • HEIDENHAIN Digital Read-Out for the cross adjustment of the Workpiece headstock • A large amount of operating tooling and accessories as : 4-jaw Faceplate Ø approx. 520 mm, 3-jaw chuck Ø approx. 380 mm, 3-jaw-chuck Ø approx. 130 mm, pulleys, spindle sleeves, grinding flanges, foot switch, • Separate hydraulic unit, built on switch cabinet, coolant device with magnetic separator. Condition : very good, universal machine for all sorts of grinding tasks ! Please click here to view a video of the machine running : ! Delivery : immediately available, FCA Metzingen Payment : 100 % Net, after conclusion of contract, before loading

Condition: excellent (used), Year of construction: 2000, Description to follow! Fsdpfx Adeyrtwxo Ijpi

Condition: used, Year of construction: 2000, grinding length 1600 mm Fedpst Hxcbofx Ad Iepi grinding width 600 mm workpiece height 500 mm total power requirement 50 kW

Condition: used, Year of construction: 1969, rotary table diameter 1000 mm grinding height 500 mm grinding head - power requirement 15/5,5 kW total power requirement 30 kW weight of the machine ca. 18 t dimensions of the machine ca. m S I E L E M A N N (Germany) Hydraulic Rotary Table Internal and Face Grinding Machine with two grinding heads and with horizontal workpiece clamping Model RFsB 100 Year 1969 / fully reconditioned by the manufacturer in 1990 _____ Max workpiece Ø 1,000 mm Max. height of workpiece, approx. 400 mm Mounting height under grinding spindles approx. 500 mm Grindable Bore Ø, approx. 50 – 900 mm Max. Workpiece weight approx.. 900 kg Distance between Table bore and column 1.150 mm Table Ø / Face plate Ø, approx. 1,000 mm Table speeds, hydraulic, infinitely variable, right/left 5 – 60 rpm Table/workpiece infeed, 5 steps 0.0025 – 0.025 mm/stroke Table stroke approx. 500 mm Distance between grinding spindle and machine body 600 mm Surface Grinding Head Ø (Segmented wheel) 450 mm Grinding slides stroke, max. 500 mm Grinding slide speeds, infinitely variable 0.2 – 1 m/m Max. Internal Grinding spindle Ø 140/100 mm Fjdpfju Su Apsx Ad Iopi Grinding cup wheel Ø, up to approx. 200 mm Motor for Surface Grinding 15 kW / Motor for Internal Grinding Spindle 5,5 kW Total electrical load, approx. 30 kW - 380 V - 50 Hz Weight, approx. 18,000 kg Accessories / Special Features • The rotary table carries the workpiece and is also actuating the automatic grinding infeed • The relevant Grinding head can be swivelled in by turning the Column (hydraulic lift) so the workpieces can be ground in one setting with exact angles. • Built-on magnetic face plate, Ø approx. 1,000 mm, with 5 T-slots and stepless adjustment for the magnetism • Automatic workpiece infeed, with automatic depth stop. • Separate Height adjustment of internal grinding head, Grinding spindle Ø 100 mm. • Dressing devices mounted on each grinding head, Separate Switch Cabinet and hydraulic unit, • No Coolant Device available This machine is ideal for grinding bulky and heavy workpieces like housings, gears (!) bearing rings, cylindrical knives, etc. Condition: Good. Machine can be inspected soon under power Delivery : Ex stock as inspected. Payment : Net, after conclusion of contract.

Condition: used, Year of construction: 2011, workpiece diameter 320 mm threading length 570 mm thread pitch 315 mm Fsdpfx Ajt Hxbdjd Ispi total power requirement 17 kW weight of the machine ca. 12 t dimensions of the machine ca. m

Condition: used, Year of construction: 1999, grinding diameter 360 mm grinding length 650 mm centre height 180 mm Control SIEMENS 840 D total power requirement 15 kW weight of the machine ca. 9500 kg Fpjdpfxst Hw A Ho Ad Isi dimensions of the machine ca. m

Condition: excellent (used), Description to follow! Fodpew U U Ikefx Ad Ispi

Condition: used, Year of construction: 1980, max. wheel diameter 2500 mm gear width 1200 mm Fsdet Hwqqopfx Ad Ispi max. module 32 min. module 3 total power requirement 25 kW weight of the machine ca. 60 t dimensions of the machine ca. m Gear , min. / max. 180 / 2,500 mm Module 3 - 32 Helix angle, max. 10 - 35 ° Gear width for straight gears 1,200 mm Stroke length, approx. 100 - 1,200 mm No. of strokes 80 - 350 /min Stroke position adjustable 300 mm Stroke speed 4 - 40 mm Max. weight of workpiece, approx. 18,000 kg Min. / max. no. of teeth 16 / 576 Table size x bore 1,400 x 500 mm Grinding wheel Ø, approx. 500 mm Grinding wheel peripheral speed 34 m/s Total electrical load, approx. 45 kW - 380 V - 50 Hz Weight of machine, approx. 60,000 kg Accessories / Special Features: * Hydrostatic guides in grinding slide, table and in all other guideways. * Completely covered working area with sliding doors. * Automatic grinding process for various cycles, with settings for roughing, finishing, fine finishing and automatic dressing cycle after preset number of teeth. * Profile correction is possible via appropriate dressing, as well as additional movement of grinding slide (depth and width crowning). * Approx. 50 change gears. * Grinding slideTilt display device. * Large coolant device with band filter and oil mist exhaust. * Separate switch cabinet. * Separate hydraulic unit. * Separate oil cooling unit. Condition : Very good. Machine can soon be inspected in our showrooms. It is not under power at present. Delivery : Ex stock, as inspected. Payment : Net, after conclusion of contract. The machine comes directly from a first class gear factory, where it was grinding Quality 5 - 6. Grinding diagrams are available. This type and quality of machine is rarely available. Thank you for your interest. We always have a good selection of gear machines available. Please let us know what you need.

Condition: used, Year of construction: 1990, x-travel 400 mm y-travel 250 mm workpiece height mm Control CNC 314 ELESTA total power requirement 15 kW weight of the machine ca. 5500 kg dimensions of the machine ca. m H A U S E R (Switzerland) CNC - Controlled High Precision Jig Grinding Machine Model S 3 – CNC 314 Year approx.. 1990 S/N 32086 _____ Table size, approx. 600 x 380 mm Max. load on table, approx. 300 kg Table travel, longitudinal, max. (X Axis) 400 mm Table travel, cross, max. (Y Axis) 250 mm Vertical adjustment of grinding head max. (W Axis) 450 mm Stroke of grinding spindle, max. (Z Axis) 120 mm Table Longitudinal and cross feeds (X/Y-Axis) 0 – 1.500 mm/min Speed of grinding head stroke 15 – 12.000 mm/min Vertical distance between table and grinding spindle, max. 0 – 485 mm Distance between grinding spindle and column 350 mm Conical grinding, up to max. 16 ° Grinding Ø bore approx. 230 mm Planetary speeds (C-Axis) 5 – 250 rpm U Axis, radial infeed 6 mm Total electrical load, approx. 15 kW - 400 V - 50 Hz Weight/Total weight approx. 4.000/5.500 kg Accessories / Special Features: • CNC Continuous Path Control, Model CNC 314, (ELESTA-POLESTA II) with new monitor,for 4 axes (XYC+U) in 2 1/2 dimension (XY+C) Interpolation with a free and easy programming for Linear and circle interpolation. Direct Input of data on keyboard, also loading data on RS 232 connection. There is also a handwheel control device for setting – up purposes. Manual feed correction during the working cycle possible. • Digital Read-out for the Z-Axis, Z-Axis as high speed stroke, also good for blind holes. Fpodpjt Hxcnefx Ad Ioi • W Axis for vertical positioning of grinding head slide, • U Axis for the infeed cycles during bore grinding, grinds different bore-Ø automatically. • C Axis Feed for the of the Planetary Head, grinds radii and contours • 2 grinding motors HAUSER approx.. 22.500 to 60.000 rpm, with some collets and arbors • Built-on Acoustic Grinding Contact Display Device Model KSV 5. • Separate coolant unit with band filter. * Built-on fire extinguishing system. • Separate switch cabinet and control unit, Separate hydraulic unit with oilchiller, • Central lubrication, service tools, collets and grinding arbors/tools. Condition : Very good - Machine can be inspected under power commissioned by a Specialist. Delivery : Ex stock - as inspected under power. Payment : Net, after conclusion of contract

Condition: used, Year of construction: 1975, workpiece diameter 125 mm grinding depth 50 mm clamping length 2000 mm total power requirement 0,5 kW weight of the machine ca. 1000 kg dimensions of the machine ca. m T E C H N I C A (Switzerland) Centre Hole Grinding Machine Model ZSM 5100 – 2.000 Year approx.. 1975 S/N 66 32 7872 – J 3278 _____ Distance between centres 50 – 2.000 mm Height of centres approx. 125 mm Workpiece Ø in clamping Vice 8 – 125 mm Swing of workpiece over tailstockguide 290 mm Swing of Workpiece max. over grinding head pillar 300 mm ght of workpiece 250 kg Max. centre hole taper Ø 2 – 50 mm Max. centre hole taper angle 60 ° Clamping range of vice approx. 5 – 160 mm Grinding head adjustable in vertical axis 160 mm Stroke of grinding tool on workpiece 0.75 – 5 mm Fjdsvanrcepfx Ad Ispi Grinding tool Ø 15 – 60 mm Grinding spindle speeds 13,000 – 45,000 rpm Total electrical load, approx. 1 kW - 380 V - 50 Hz Weight, approx. 1.000 kg Accessories / Special Features Machine is suitable for workpiece length up to 2.000 mm with a basement extension * A cone shaped grinding wheel is employed, but it is only in line contact with the centrehole surface, in addition it is reciprocating simultaneously along this line. The workpiece remains stationary, enabling the generation of perfect centre holes. * To clamp cylindrical Workpieces one uses a height adjustable 2 jaw vice which gives three point contact and always coincides with the center of the grinding spindle. * Height-adjustable workpiece centering vice with carbide inserts. Manual adjustment of appropriate workpiece diameter with clamping screw. * Dressing device, mounted on the side of the grinding spindle, stroke approx. 40 mm, for producing a geometrically exact conical form and with oscillation of diamond tool. * Pre-centering device for Workpiece adjustment between centers. * Pneumatic Oil Lubrification of grinding spindle by oil-mist. * Manually adjustable Tailstock with handwheel but without motorized drive. Condition : Good to very good. Machine can be inspected under power. Delivery : Ex stock, as inspected Payment : Net, after conclusion of contract

Condition: used, Year of construction: 1998, grinding length 2000 mm grinding width 600 mm Fpjdpfx Asv S Ip Ejd Iji total power requirement 17 kW weight of the machine ca. 10 t

Condition: used, Year of construction: 1973, grinding diameter max. 30 mm regulating wheel width 12 mm max. width of grinding wheel mm total power requirement kW weight of the machine ca. t dimensions of the machine ca. m Fedpfx Adst Hwwwe Iepi

Condition: excellent (used), Year of construction: 2015, grinding length 500 mm Fpodpsxy S Dxsfx Ad Ioi grinding width 250 mm

Condition: used, Year of construction: 1981, drill diameter 32 mm drilling length 0 mm Universal Drill Bit Grinder Fjdpfx Adjt Hwn As Iopi lots of accessories

Condition: used, Year of construction: 1977, max. grinding diameter 400 mm grinding width 0 mm max. module min. module total power requirement 3 kW weight of the machine ca. 4,2 t Fpedpfx Ast Hwnved Iji dimensions of the machine ca. m Shaver cutter Ø, min./max. 64 - 320 mm Module range 1 - 12 Shaver cutter width, max. 40 mm No. of teeth 13 - 240 Pitch block Ø 73 - 320 mm Speeds of workpiece slide 5 / 20 / 30 / 40 teeth per min. Grinding slide speed 690 rpm Grinding slide Ø 762 mm Grinding wheel swivelling (pressure angle) 5 - 21 ° Grinding slide swivelling (helical angle) 2 x 35 ° Grinding slide adjustment, vertical 240 mm Cutting speed 1 / 0.5 / 0.25 m/min Spindle drive 1.1 kW Total electrical load, approx. 3 kW - 500 V - 50 Hz Weight, approx. 4,200 kg Accessories / Special Features * Machine is suitable for grinding internal and external shaver cutters. It is also suitable for master gears as well as cutters for gear shapers. Unfortunately the machine does not have many accessories. It would therefore be a good investment as a second machine if you already have suitable accessories available.