Used Tos Varnsdorf Cnc Bench Drilling Machine for sale (68,246)

Condition: excellent (used), Numerical Control Type Power Control PC85T Software WoodWOP + TOPDRILL No. 2 Through-feed motorized conveyoring belts No. 2 Horizontal units/supports (with Digital quota/axes display) No. 1 Drilling head for each horizontal unit (1 x Kw 1,5) No. 21 Splindles for each horizontal drilling head Max. working width (mm) 2500 Min. working width (mm) 250 No. 4 Bottom vertical units/supports (with Digital quota/axes display) No. 2 Drilling heads/blocks for each bottom vertical unit (2 x Kw 1,5) Fgjdszrd Sfepfx Albsg No. 4 Vertical top pressure clamps Motorized carpet to evacuate chips and wastes Total installed power (Kw) 35

Condition: new, Tool grinding machine Manufacturer: OPTigrind Model: GH 20 T Art. No.: 3100125 Condition: New machine Speed: 5,000 rpm Clamping range: 1 - 12 mm Standard equipment: - Collets 385E, sizes 4 / 6 / 8 / 10 / 12 mm Fedpfx Aloc I Tzvebsgg - Corundum cup grinding wheel - Diamond cup grinding wheel - Device for re-grinding turning tools - Device for re-grinding shank milling cutters - Device for re-grinding twist drills - Operating manual

Condition: ready for operation (used), Drilling diameter: 3-25mm, drilling depth: 1000mm, connected load: 36kW, control: EST, 99 drilling memory positions per program, grinding and coordinate programming, plain text programming via input mask. Accessories: paper band filter, coolant cooling system, 4-door control cabinet, high-pressure pump up to 150bar, oil tank, 1 steady rest for smaller diameters at large drilling depths, direction-adjustable holder for drill bushing holders, various drill bushing holders, long clamping table for 0-height, tailstock stop and base plate for machine vice freely movable on the additional table, matching precision machine vice optionally available. Speed, high pressure, Z-axis (feed), X/Y-axes, and W-axis (approach slide) programmable via control. CPU and card rack defective (fan fault), machine therefore not operational, drives and guideways were fully functional until last operation. An on-site inspection is possible. Fedeylbrqepfx Albjgg

Year of construction: 2007, condition: ready for operation (used), A CNC profile drilling machine Voortman with a movable drilling cabin is available. Working height range: 30mm-1050mm, positioning speed: 40m/min, table width: 300mm, max. working width: 1800mm, support depth: 1500mm, tool stations: 5, max. travel speed: 40m/min, tool holder: SK40, drilling diameter range: 5mm-40mm, thread cutting range: M6-M30, working length: 16200mm. Documentation available. On-site inspection possible. Fedpfsxp Rb Iex Albegg

Year of construction: 1994, condition: ready for operation (used), A CNC universal tool milling and drilling machine Hermle is available. Travel X/Y/Z: 700mm/550mm/500mm, quill stroke: 95mm, spindle power: 12kW, spindle speed: 4200rpm, spindle swivel: +/-75°, tool holder: SK40, clamping force: 12kN, feed rate: 10m/min, rapid traverse: 10m/min. Machine dimensions X/Y/Z: approx. 4400mm/4250mm/2300mm, weight: approx. 4500kg, control: Heidenhain TNC 425. Documentation available. An on-site inspection is possible. Fedpfsw D Evlex Albsgg

Year of construction: 2002, condition: ready for operation (used), Travel X/Y/Z: 3000mm/2300mm/1600mm, travel W: 700mm, max. table-to-spindle distance: 2300mm, table dimensions X/Y: 1800mm/2200mm, max. table load: 10000kg, spindle diameter: 130mm, spindle speed: 2500rpm, rapid traverse X/Y/Z: 10m/min, rapid traverse W/B: 5000mm/min/500mm/min, feed X/Y/Z: 4m/min, tool holder: BT50, tool positions: 38, positioning accuracy X/Y/Z: +/-0.008mm, positioning accuracy W: +/-0.012mm, repeatability X/Y/Z: +/-0.004mm, repeatability W: +/-0.008mm. Machine dimensions X/Y/Z: approx. 7050mm/7200mm/4800mm, weight: approx. 37000kg, control: TOSNUC-888. Documentation available. An on-site inspection is possible. The machine is located in China. Fgodjxf Ikrepfx Albog

Condition: ready for operation (used), Year of construction: 2000, Controls: HEIDENHAIN TNC 426, connected load: 7.7kW, including Rotator 3R WorkPal, with documentation, without spare parts. Fgjdpfx Aljx Tpytjbog

Condition: like new (used), Year of construction: 2011, machine/vehicle number: MA10110002, functionality: fully functional, SPECIFICATION Drilling capacity in mild steel 18mm Motor 0.45kW 415 volt Spindle 2MT Drive Belt, stepped pulleys Spindle speeds rpm 50Hz 400-700-1200-2100-3600 Spindle travel 75mm Throat depth 185mm Column diameter 70mm Table -working surface 250 x 164mm Table – slots width & centres 13 x 125mm Base – overall 240 x 360mm Max. distance chuck to table 330mm Overall height 865mm Overall width 280mm Overall depth 600mm Approx. Nett weight 77Kg Fgodpfx Alozmuntjbsg Machine equipped with Chuck guard Table adjustment by rack Drill chuck

Condition: used, CNC press brake FASTI, Type 904-125/30 Serial No. 95-904-5775 Year of manufacture 1995 Press force 125 tons Working length 3050 mm Stroke approx. 335 mm Stand distance 300 mm Distance between side stands 2550 mm Tool installation height max. 465 mm (opening width between tool holders) Table width 90 mm (the clamping system is mounted on the table) Table height above floor 875 mm (910 mm with clamping system) Back gauge X-axis 500 mm Back gauge R-axis 115 mm Back gauge Z-axis approx. 1950 mm Lowering speed Y-axis rapid traverse 90 mm/s Fgodjhmmfkjpfx Albsg Lowering speed Y-axis working traverse 8.9 mm/s Return speed Y-axis retraction 75 mm/s Oil capacity approx. 160 liters Motor power 18.5 kW Mains connection 400 volts, 50 Hz, 20 amps - 7-axis CNC control DELEM, Type DA 58 with LCD screen - 1 axis for back gauge - gauge depth (X-axis) - 2 axes for back gauge - gauge height (finger R1 + finger R2) - 2 axes for back gauge - gauge fingers, laterally adjustable (finger Z1 + finger Z2) - 2 axes for press beam with servo valves and measuring system Y1 and Y2 - Operation via electric foot switch and 2-hand control panel or only 2-hand control panel - Hydraulic tool clamping for the upper tool system TRUMPF, with 20 mm clamping groove - Hydraulic tool clamping for the lower tool with 13 mm table groove, depth 21 mm (tool shank 13 x 20 mm) - Safety light curtain FIESSLER, Type AKAS - 2 pcs material support arms, manually adjustable laterally and in height - Electrical diagram, hydraulic diagram, user manual for control system available - Control cabinet on the machine - Without tools Space requirement L x W x H 5000 x 2500 x 3050 mm Transport dimensions L x W x H 5200 x 1900 x 2950 mm Weight 8.5 tons Good condition

Condition: used, 4-axis CNC drilling and milling machine IXION Type 30 CNC W VMC, BAZ, machining center Year of construction approx. 1997, machine overhauled in 2020 Travel X: 600 mm Y: 350 mm Z: 600 mm Table size 800 x 400 mm T-slot spacing 75 mm Table load 300 kg Spindle holder SK 40 (tightening bolt DIN 69872 A) Spindle speed 20-5000 rpm Torque at the spindle max. 150 Nm Distance between spindle nose and table max. 660 mm Feed speed X, Y and Z 0 - 5000 mm/min. infinitely variable Rapid traverse speed X, Y and Z 15000 mm/min. Tool change time approx. 5 sec. Tool change time from chip to chip approx. 7.5 sec. Milling capacity in St 60 150 ccm/min. Drilling capacity in St 60 35 mm Thread cutting capacity in St 60 M24 Spindle motor drive power 5 kW (10 kW at 25% duty cycle) Mains connection 400 Volt, 50 Hz - CNC control Heidenhain TNC 415 with 12" TFT display - Electronic handwheel - RS 232 interface - 12-position tool changer - hydro-mechanical tool clamping - Rotary axis as dividing head on the table = 4th axis, MECATECNICA type DCN 250-8, jaws lathe chuck Ø 200 mm Speed approx. 25 rpm, transmission ratio 1:180 - Cabin lighting via 2x halogen spotlights - Chip conveyor with coolant pump - Switch cabinet fixed to the machine Space required for transportation Length 320 cm x width 230 cm x height 300 cm Footprint of the machine with chip conveyor L x W x H 3200 x 3100 x 3000 mm Weight of the machine 3100 kg Weight of the chip conveyor approx. 200 kg Fedeu Tln Nepfx Albogg good condition

Condition: used, CNC Universal Coordinate Drilling and Milling Machine FEHLMANN Type PICOMAX 100-CNC 3 CNC Control HEIDENHAIN TNC 155 Manufacturer's No. 16186651 Year of Manufacture 1986 Spindle Taper FEHLMANN SF32 Drilling Capacity Ø 30 mm in steel Thread Cutting up to M20 in steel Travel X: 850 mm, Y: 435 mm Quill Stroke Z: 210 mm Vertical Movement of Milling Head 580 mm Feed X and Y 1 to 8000 mm/min. Feed Z 1 to 4000 mm/min. Rapid Traverse X and Y 8 m/min. Rapid Traverse Z 4 m/min. Table Clamping Surface 1570 x 500 mm Distance Spindle Nose - Table 130 - 720 mm Overhang Spindle - Column 450 mm Spindle Speed 50 - 7100 RPM, stepless Spindle Drive 10 kW Total Connected Load 20 kW Mains Connection 400 Volt, 50 Hz - CNC Control HEIDENHAIN TNC 155 with TFT monitor - 3 axes controlled, X, Y and Z quill adjustment - hydro-mechanical tool clamping FEHLMANN SF32 - threading device Fsdpfx Ajhik Ezslbsgg - cable remote control for machine operation and axis movements - motorized vertical movement of the milling head with shutdown via adjustable cams - 3D probe RENISHAW, Type MP 11F with FEHLMANN SF32 mount - 20 tool holders FEHLMANN SF32 - swiveling tool holder with 21 tool positions - coolant system in the machine frame - control cabinet fixed to the machine - documentation: operating manual, control manual and electrical diagrams Space Required L x W x H 2350 x 2000 x 2300 mm Weight 3.2 tons very good condition

Condition: used, CNC tool milling machine MAHO, type MH 400 E Machine no. 43072, year of manufacture 1989 Travel distances X: 400 mm, Y: 250 mm, Z: 375 mm Table size 700 x 270 mm Distance spindle nose / table max. 410 mm Fodpfx Alsh Ic Ufebjgg Tool holder ISO 40 with draw bolt type B Spindle speed 80 - 4000 rpm, 18 steps Feed rate 1-1500 mm/min, stepless Rapid traverse (X, Z and Y) 2.5 m/min. Quill travel, vertical 50 mm Spindle drive 2.2 kW Power connection 400 Volt, 50 Hz, 19 kVA - swiveling control panel with CNC path control PHILIPS 432 - LCD monitor VISCOTECH - hydro-mechanical tool clamping system - pivoting device for the vertical milling head - splash guard cabinet as a table enclosure with 3 fold-up doors - electrical control cabinet fixed to the machine - V24 (RS 232) interface for data transfer - 52470 operating hours, main switch on - fixed angular table - coolant system with coolant pump located next to the machine - central oil lubrication system Vogel - operator's manual, electrical wiring diagram Space requirement L x W x H 2250 x 1800 x 1850 mm Weight approx. 1.5 tons good condition

Condition: good (used), Year of construction: 2002, machine/vehicle number: 025137, Offer 24190 Technical specifications: - Drilling capacity: 25 mm - Drill spindle taper: MK 3 Fedpfxewyl H Nj Albsgg - Drill spindle stroke: 140 mm - 8 spindle speeds: 100 - 2900 rpm - Min./max. distance spindle/table: 110 / 405 mm - Work light - Quick-action drill chuck - Coolant device - Machine vice - Machine base - Drive: 400 V / 0.75 kW - Required space (W x H x D): 400 x 1250 x 600 mm - Weight approx.: 200 kg

Year of construction: 1990, condition: good (used), machine/vehicle number: 0125749, Technical data: - Drilling capacity approx. 30 mm - Drill spindle mount MK 3 - Drill spindle speeds in 2 stages, stepless 80 - 1400 rpm Fgsdpfx Alod Ingfobeg - Table surface 390 x 420 mm - Drilling unit height-adjustable by hand crank - Min. / max. distance table / drill spindle 220 / 580 mm - Drill spindle stroke 150 mm - Drill spindle overhang 280 mm - Drive 400 V / 1.3 / 2.3 kW - Space requirement approx. W 480 x H 880 - H 1200 x D 1050 mm - Weight approx. 250 kg - Table base with storage space W 600 x H 910 x D 800 mm - Weight 200 kg

Condition: excellent (used), Gantry (Portal) machine Movable panel (workpiece), movable working head (Horizontal position of the panel/workpiece) Numerical Control Power Control, Software WoodWOP Panels (workpieces) feeding by No. 3 motorized belts Minimum workpieces dimensions (X - Y - Z) mm 250 x 100 x 12 Maximum workpieces dimensions (X - Y - Z) mm 2500 x 1050 x 50 Motorized carpet to evacuate chips and wastes Total installed power (Kw) 60 WORKING GROUPS (BOTTOM) Drilling heads with vertical spindles: No. 6 Indipendent vertical drilling spindles: No. 40 x 6 heads (tot. No. 240 spindles) Drilling head motor power: No. 6 x Kw 2,7 WORKING GROUPS (HORIZONTAL) Drilling heads with horizontal spindles: No. 4 (4 x Kw 2,7) Horizontal drilling spindles - Right side: No. 13 x 2 heads (tot. No. 26 spindles) Horizontal drilling spindles - Left side: No. 13 x 2 heads (tot. No. 26 spindles) Fsdpfxodg Itnj Albsgg Inserting nozzle and glue injectors (Right side): No. 8 (high-pressure) Inserting nozzle and glue injectors (Left side): No, 8 (high-pressure) Storage tanks for automatic feeding of the dowels: No. 2

Condition: excellent (used), Numerical Control Type Power Control PC85T Software WoodWOP + TOPDRILL No. 2 Through-feed motorized conveyoring belts No. 2 Horizontal units/supports (with Digital quota/axes display) No. 1 Drilling head for each horizontal unit (1 x Kw 1,5) No. 21 Splindles for each horizontal drilling head Max. working width (mm) 2500 Min. working width (mm) 250 No. 4 Bottom vertical units/supports (with Digital quota/axes display) Fedsyv Ev Aopfx Albegg No. 2 Drilling heads/blocks for each bottom vertical unit (2 x Kw 1,5) No. 4 Vertical top pressure clamps Motorized carpet to evacuate chips and wastes Total installed power (Kw) 35

Condition: used, bore capacity in steel (diameter) 15 mm Fsdpfx Aozpzb Sslbsgg throat 215 mm turning speeds 200 - 3600 U/min 350 x 300 mm total power requirement 1,0 kW / Volt tool taper MK 2 weight of the machine ca. 320 Kg dimensions 0,8 x 0,6 x 1,9 mm Bench drill - Base unit with drawers

Year of construction: 1995, condition: ready for operation (used), 4 Lenz CNC PCB drilling and routing machines are offered. 1) One CNC vertical PCB drilling and routing machine, Lenz LGX 460-2AL, year of manufacture: 1995, travel X/Y: approx. 550mm/460mm, rapid traverse X/Y: approx. 40m/min, max. drilling rate Z-axis: approx. 500strokes/min, spindles: Precise SC53H, spindle speed: approx. 20000rpm, tool holder: 3mm, tool capacity: 308, control: SIEB & MEYER CNC 44.00. Equipped with a cooling unit and a loader. Overall dimensions of the base machine X/Y/Z: approx. 1650mm/1700mm/2250mm, additional length of the loader unit: approx. 820mm. 2) One CNC vertical PCB drilling and routing machine, Lenz GX 460-2, year of manufacture: 1989, travel X/Y: approx. 550mm/460mm, number of spindles: 2, rapid traverse X/Y: approx. 15m/min, max. stack height Z-axis: approx. 10mm, tool holder: 3mm, tool capacity: 88, control: SIEB & MEYER CNC 45.00, equipped with a cooling unit, overall dimensions X/Y/Z: approx. 2100mm/1450mm/1800mm. 3) One CNC vertical PCB drilling and routing machine, Lenz GX 600-1, year of manufacture: 1991, travel X/Y: approx. 650mm/600mm, number of spindles: 1, rapid traverse X/Y: approx. 15m/min, spindle: Precise SC63, spindle speed: approx. 20000rpm, tool holder: 3mm, tool capacity: 88, control: SIEB & MEYER CNC 44.00. Equipped with a cooling unit, overall dimensions X/Y/Z: approx. 2000mm/1500mm/1800mm. 4) One compact CNC vertical PCB drilling and routing machine, Lenz TB 500-1, travel X/Y: approx. 475mm/390mm, number of spindles: 1, rapid traverse X/Y: approx. 10m/min, spindle speed: approx. 15000rpm, tool holder: 3mm, control: SIEB & MEYER CNC 35.00. Equipped with a cooling unit and a spare control unit, overall dimensions X/Y/Z: approx. 1500mm/1100mm/1520mm. The machines can be purchased individually or as a package. Inspection possible by appointment. Fgjdpfx Aloznmy Dobjg

Condition: new, Precise, smooth-running standard drilling machine, high accuracy and quality. Drilling table adjustable via rack and pinion and pivotable around the column. Full motor protection, star handle. Mains connection 230 V. Continuous drilling capacity in St 60 steel: 15 mm Normal drilling capacity: 18 mm Spindle speeds, stepless: 200 - 4,000 rpm Spindle: MK 2 Drilling depth: 80 mm Overhang: 180 mm Distance spindle/table: up to 380 mm Fgsdpfjda Nqxjx Albog Table surface: 250 x 220 mm Column diameter: 65 mm Overall height: 910 mm Weight: 80 kg Three-phase motor with frequency control: 1.1 kW Equipment: - Reversing switch for right/left rotation for thread cutting - Full motor protection - Star handle In stock, immediately available

Condition: new, Year of construction: 2026, Y axis drilling: 920 mm Y axis sawing: 860 mm X axis: 3000 mm Z axis: 12 mm - 40 mm A axis: 360 ° min. Dimensions plate: (X) 300 mm x (Y) 120 mm x (Z) 12 mm Fedpfx Alol D Rw Eobsgg Feed speed: 20 m/min Drill: 5 mm / 20 mm / 35 mm Milling tool: 8 mm Grooving saw: 90 mm x 3.5 mm Maximum groove depth with saw blade: 10 mm min. Hole diameter: 3 mm max. hole diameter: 35 mm motor power: 1,3 kW weight: 500 kg

Condition: new, Year of construction: 2024, New machine Year of manufacture: 2024 Fsdpfxow Rhk Rj Albegg Robust drilling machine featuring a powerful OPTIMUM brushless drive. Key highlight: menu-guided control for operating modes drilling/tapping. - Smooth-running and high-performance brushless drive - Optimal power transmission via aluminium pulleys combined with a toothed GATES quality V-belt - High running smoothness thanks to precision-ground multi-spline drive - Concentricity guaranteed at less than 0.015 mm, measured at the quill - Drilling spindle with precision ball bearings - Membrane keypad; dust- and water-resistant, easy to clean - High-quality OPTIMUM quick-action drill chuck included as standard - Separate emergency stop pushbutton - Precisely machined worktable with diagonal T-slots, 360° rotatable - Integrated coolant channel surrounding the worktable - Large, height-adjustable safety guard with interlock switch for maximum operator protection - Drilling depth stop - V-belt guard with safety switch - V-belt tensioning mechanism - Solid, large base plate with reinforced ribs at the rear Technical specifications: Column diameter: 60 mm Dimensions (LxWxH): approx. 552 x 445 x 850 mm Weight: approx. 64 kg Drilling capacity (steel): 18 mm Continuous drilling capacity (steel): 16 mm Tapping capacity (steel): M10 Table size: 230 x 245 mm Speed range: 100 – 6000 rpm Number of speed ranges: 5 Total power connection: 1.5 kW Mains voltage: 230 V Quill stroke: 65 mm Spindle taper: MT 2 Throat depth: 130 mm Including quick-action drill chuck 1–13 mm Including machine vice BMP 100 Availability: short-term Location: Flörsheim

Condition: excellent (used), Working travels 450 x 260 x 560 mm Spindle stroke 120 mm cross table 770 x 320 mm Drilling capacity 25 mm Fgsdpfetpgcnox Albsg Spindle speeds 55 - 9200 Rpm With DRO With Threading attachement Misc accessories MARCELS MASCHINEN CH

Condition: used, functionality: unexamined, Year of construction: 2011, operating hours: 1,000 h, machine/vehicle number: 55991101, This CNC machine is suitable for drilling stone, granite, and concrete. It is designed for drilling holes for KEIL anchors and can be adapted to accelerate the machining process. It can also operate with two drilling heads simultaneously. The drilling head can be replaced, allowing it to be used with other materials. I can also send videos of the machining process. Fgedpfx Ajzkhz Uslbsg The machine can be viewed in Znojmo, at Dyji 74.

Condition: new, Year of construction: 2026, functionality: fully functional, /// DESCRIPTION Multi-functional CNC drilling machine is able to drill from 6 sides. Independent top grooving, 5.5kw main spindle of 4-slot tool changing magzine, and 1 drilling block on top, one drilling block and one main spindle on bottom meet different process requests and gives batch-size-one production max flexibility; Software is open port, support most formats in market. Compact design, save space /// TECHINICAL SPECS Total power - 21.07 KW Machine dimensions - 3962× 3010× 2320mm Power supply - 380 V/50 Hz Air supply 0.6-0.7 MPa SYNTEC control system Panel size Length 200-2,800 mm Width 30-1,220 mm Thickness 10-60 mm Maximum travel speed X-axis/U-axis - 135 m/min Y axis - 75 m/min Z axis - 30 m/min V axis (push) - 30 m/min Drilling blocks Top 1; Bottom 1 Number of vertical drills (top) 1 Number of horizontal holes (top) X: 2*2+ Y: 2*2 Number of vertical drills (lower) 9 Maximum drill diameter Φ35 mm Distance between holes 3 Rotation speed 5000 rpm Shaft diameter Φ10 mm Drill length 7 Main shaft Upper - 1*5.5 kW ER32 ATC4 18000 rpm Lower - 1*3.5 kW er25 18000 rpm Saw blade Power 1.7 kW Dimensions Ф 100* Ф 22* δ 4Center distance 6500 mm Conveying capacity approx. 0.2 t/hour Fgodpfx Aljyi Avfobeg Conveying speed approx. 0.5 m/sec Width of belt 500 mm Motor power 1.5 kW Operation voltage 400 V Frequency 50 Hz

Condition: new, Year of construction: 2026, functionality: fully functional, Nanxing ND712D is a state-of-the-art 6-sided CNC drilling machine, equipped with two independent workstations, allowing for simultaneous processing of two panels and doubling productivity. This machine is designed for furniture manufacturers seeking speed, precision, and reliability within a compact footprint. Key Features - 2 independent workstations (1200 + 650 mm), each with a dedicated computer and processing units. - Optimized drilling blocks: up to 19 vertical drills + horizontal drills on the X and Y axes. Fsdpfx Aoxcwmqelbegg - 4 main spindles (2 upper, 2 lower) with power up to 5.5 kW and 18,000 rpm. - Air-cushion tables for scratch-free panel handling. - Automatic dimension detector with alarm and panel compensation feature. - Servo-driven clamps and automatic side alignment system for maximum accuracy. - Advanced software + SYNTEC CNC control with user-friendly interface, supporting MPR, DXF, BPP, PDX, and XML file formats. - Barcode scanner for integration into automated production workflows. - Enhanced safety: side sensors, emergency stop, cable protection. Technical Specifications - Panel dimensions: Length 200–3000 mm / Width 30–650 mm / Thickness 10–60 mm - Max. traverse speed: X/U – 135 m/min, Y – 75 m/min, Z – 30 m/min - Total installed power: 43.8 kW - Weight: 6,300 kg - Machine dimensions: 6,620 × 4,620 × 2,378 mm - Power supply: 380V / 50Hz / 3 phase Application Areas - Medium and large-scale furniture manufacturing - Panel processing for kitchen cabinets, wardrobes, bathroom and office furniture - Complete 6-sided drilling + light milling in a single setup User Benefits - High productivity: processes two panels simultaneously - Error reduction: automatic dimension detection and precise positioning - Smart line integration: barcode scanner, compatible with ERP/CAD-CAM software - Optimal cost / maximum efficiency: one machine equals two drilling solutions