Used Wikoma Brushing Sanding Machine Top Surface for sale (70,783)

Condition: excellent (used), Year of construction: 1997, functionality: fully functional, type of input current: three-phase, input voltage: 400 V, grinding belt length: 3,000 mm, grinding belt width: 150 mm, table height adjustment: 180 mm, input frequency: 50 Hz, Langzauner LZK 3/4 oscillating edge sanding machine, with veneer edge sanding attachment and feed console Sanding unit adjustable from 0-45° Oscillation Miter stop Height-adjustable sanding table (180 mm) for utilizing the full width of the sanding belt Table size (front) 1000 x 350 mm Table size (side) 400 x 250 mm Connection power 4.6 kW Belt length 3000 mm Belt width 150 mm Belt speed 22 m/s Weight approx. 350 kg Hjdez D Autspfx Anyeu Space requirement 1770 x 730 mm Year of manufacture 1997 Condition: Functionality tested

Condition: excellent (used), Year of construction: 2000, functionality: fully functional, grinding length: 1,800 mm, grinding width: 850 mm, total height: 2,955 mm, total length: 6,650 mm, total width: 3,645 mm, grinding height: 750 mm, feed rate X-axis: 40 m/min, feed rate Y-axis: 5 m/min, grinding wheel diameter: 457 mm, table load: 2,160 kg, grinding wheel width: 203 mm, spindle speed (max.): 1,400 rpm, overall weight: 13,000 kg, grinding spindle motor power: 30 W, travel distance X-axis: 1,820 mm, travel distance Y-axis: 750 mm, travel distance Z-axis: 820 mm, rotational speed (max.): 1,400 rpm, WORKING CAPACITY: Max. grinding length: mm 1.800 Max. grinding width: mm 850 Max. grinding height: mm 750 GRINDING WHEEL HEAD: Power: kW/HP 30/22 Grinding wheel dimensions: mm 457 x 203.2 x 100 Grinding wheel speed: rpm 1.400 LONGITUDINAL TABLE AXIS: Speed: m/min 1 ÷ 40 Maximum load (with magnetic table): kg 2.160 Grinding table dimensions: mm 1.800 x 600 Working stroke: mm 1.820 TRANSVERSE GRINDING HEAD AXIS: Rapid traverse speed: m/min 5 Hsdpsztzyvefx Anyou Adjustable incremental feed: mm 1 ÷ 50 Continuously adjustable feed rate: mm/min 0 ÷ 2.000 Minimum working increment: mm 0.001 Working stroke: mm 750 VERTICAL GRINDING HEAD AXIS: Rapid traverse speed: m/min 1.5 Minimum working increment: mm 0,001 Working stroke: mm 820 OVERALL DIMENSIONS: Length: mm 6.650 Width: mm 3.645 Height: mm 2.955 Total weight: kg 13.000 Machine complete with: • Instruction manuals and CE Declaration of Conformity

Condition: like new (used), Year of construction: 2024, operating hours: 200 h, functionality: fully functional, grinding length: 600 mm, grinding width: 400 mm, workpiece weight (max.): 1,000 kg, grinding height: 430 mm, grinding wheel diameter: 405 mm, table load: 1,000 kg, grinding wheel width: 50 mm, spindle speed (max.): 2,500 rpm, spindle speed (min.): 500 rpm, grinding spindle motor power: 7,500 W, warranty duration: 12 months, input voltage: 400 V, Equipment: documentation/manual, rotational speed infinitely variable, Initial commissioning: 2024 Operating hours “grinding wheel in use” approx.: 100 hours The machine will be completely inspected by the manufacturer OKAMOTO and delivered with a geometry acceptance report. Manufacturer's warranty: 12 months Hedpfxoz Hc Sds Anyou Design: Column feed Control: Fanuc Screen: Touchscreen Workshop programming: for flat, slot, and step grinding (optional) Conventional operation of the machine possible (manual operation) Automatic multi-pass plunging Teach-in functions: Vertical, dressing, and reversing points Folding dresser with 3 diamonds next to the magnetic clamping plate Automatic compensation of the dressing amount Longitudinal guides: Double prism, hand-scraped with thermally symmetrical behavior, PTFE coated Maximum table load: 1,000 kg Hydraulic table drive X-axis Electric servo table drive Z-axis Electric servo grinding spindle drive Y-axis Travel in the longitudinal direction: 950 mm Travel in the transverse direction: 440 mm Travel table-new wheel (Ø 355 mm): 522 mm Grinding wheel standard: Ø355x38 mm Grinding wheel diameter max.: 405 mm Grinding wheel width max.: 50 mm Grinding wheel bore: Ø 127 mm Grinding spindle drive power: 7.5 kW Grinding spindle speed, infinitely variable: 500-2500 rpm Leveling screws and support plates Operating/programming/and maintenance manual, operating tool LED lamp Machine paint: Dark grey/silver structure Machine dimensions approx. LxWxH: 3,560 x 2,900 x 2,210 mm Weight approx.: 4,950 kg Connection value: 15 kVA Accessories: Folding dresser with automatic compensation Electro-permanent magnet, transverse pole: 800x400 mm, p=13 mm Band filter tank: 180 liters Coolant flushing gun Flanges 1 piece Grinding wheels 1 piece Commissioning and training by OKAMOTO is mandatory for warranty purposes All information is non-binding, subject to prior sale. The machines remain our property until full payment has been made. Our general terms and conditions apply. Delivery: ex works Delivery date: by arrangement (approx. 8 weeks) Prices: plus VAT Payment terms: net, 10% with order, 90% before shipment Price for machine as understood is valid only in Germany. Other EU countries against a surcharge upon request. No export of the machine.

Condition: used, Year of construction: 1973, Technical details: grinding length: 400 mm grinding width: 200 mm workpiece height: 300 mm dimensions of grinding wheel: 275 - 315 mm magnetic plate size: 400 x 200 mm max. table load: 200 kg weight of the machine ca.: 1,6 t Hodpfx Anjxu Dv Ajyju dimension machine xH: 1,55 x 1,45 x 2,20 m

Condition: new, Number of sanding units 8 St. sanding width 25-240 mm Sanding height max. 15-140 mm B ROBA Fentech; Fully automatic sanding machine Designed for sanding individual wooden components in window manufacturing, it is suitable for the following applications: - Fine sanding of wood - Sanding after impregnation - Intermediate lacquer sanding Advantages of the ROBA Fentech system: - Automatic workpiece detection via scanner at the machine infeed - Motorized positioning of sanding units - Oscillating side units optimize abrasive utilization - 400 mm diameter sanding tools optimize sanding quality - Angled profiles are sanded at their optimal angle - Can be used as a straight-through machine or in reversing mode for one-person operation - Vacuum transport system for processing short parts - Enclosed design for enhanced workplace safety and a dust-free environment - Compact, space-saving design - Freely selectable abrasive configuration from the MB Flex system. Brief overview of technical details (detailed description available upon request!): Workpiece length: max. unlimited, min. approx. 250 mm Workpiece width: 25–240 mm Workpiece height: 15–140 mm - Automatic, scanner-based workpiece detection at the machine infeed - 2.0 m infeed table - Driven vacuum transport system - 1x twin-spindle unit for right-side processing - 1x twin-spindle unit for left-side processing - 1x twin-spindle unit for processing from below - 1x swiveling twin-spindle unit for processing from above - 2.0 m outfeed table - Initial set of abrasives - Roba Fentech HMI (9" display, 400x400 housing, Siemens HMI) - Siemens control system - Electrical components: Klöckner Möller - Geared motor: Getriebebau Nord - Frequency converter: Schneider Electric - CE mark ----- Ex-works price upon request! Plus freight and commissioning NEW FEATURE: Fentech Standard optionally upgradeable to orbital sanding: The orbital sanders are installed in an extended housing section positioned ahead of the standard machine configuration. This allows us to combine the effective, scratch-free sanding action of the orbital sanders with the finish provided by the brushes. This ensures that the visible surfaces of the window profiles have a perfectly flat finish, completely free of raised wood fibers thanks to the subsequent brush sanding process. Hedpfxezqvn As Anysu (Technical specifications provided by the manufacturer – subject to change!)

Condition: good (used), Year of construction: 1997, functionality: fully functional, working width: 1,300 mm, passage height: 300 mm, power: 63 kW (85.66 HP), input voltage: 400 V, input frequency: 50 Hz, the machine is in good working order and ready for use. Hodsy Tmqcspfx Anyju

Year of construction: 2022, operating hours: 1,500 h, condition: like new (used), functionality: fully functional, machine/vehicle number: 0070, We are selling a virtually new vertical universal brush tufting machine. The machine was manufactured by WOMAtec in 2022 and has seen very little use. Technical specifications: Type: DANY 1.0 Hjdpszzwxwefx Anyju Stroke: 70 mm Filament length: max. 150 mm Filaments: synthetic, bristles, and natural fibers, wire filaments and abrasive filaments Filament box: 1 color, needle dividing system Tufting tool: none Performance: approx. 100 cycles per minute Operating mode: intermittent operation and continuous operation Operation via foot switch Consisting of: ■ solid, welded steel frame ■ powerful main drive ■ wire spool and wire feed ■ filament box with pressure plate ■ durable tufting tool ■ loop tufting system with needle divider ■ adjustable table for flat brushes Table for cup or roller brushes available upon request ■ painted in Prussian blue RAL 5010, light gray RAL 7035

Year of construction: 2014, condition: ready for operation (used), functionality: fully functional, Q-Fin F200 deburring and grinding machine with conveyor belt For sale: Q-Fin F200 deburring and grinding machine for professional surface treatment, equipped with a conveyor belt. This compact industrial machine is suitable for the efficient post-processing of metal parts. Ideal for deburring, grinding, and improving the surface of workpieces after, for example, sawing, milling, laser cutting, or other machining operations. The machine was used in our production process and is being offered for sale due to the cessation of our business activities. Machine details: Brand: Q-Fin Type: F200 Hedpfx Asz A A E Aonyeu Deburring and grinding machine For surface treatment of metal parts Equipped with a conveyor belt Suitable for series production Compact industrial design Year of construction: 2014 (second owner) Includes: grinding media / accessories Optional: Dust extraction system (at an additional cost - year of construction 2021) The conveyor belt enables efficient and consistent product flow, making the machine very suitable for the rapid and reproducible post-processing of larger quantities of parts. The machine is currently still installed and can be viewed in working condition by appointment. If you are seriously interested, please do not hesitate to contact us. Additional photos, videos, and technical information are available upon request.

Condition: ready for operation (used), Year of construction: 2008, grinding length: 1,600 mm, grinding width: 630 mm, Surface grinder 1600 x 630 M7163x16100, magnetic table size 1600 x 630, machine length 5400mm, depth 2500mm, height 2600mm. Automatic feeds in the X and Y axes. We are the first owners; the machine is used on average for a few hours a month for service-related grinding. Year of manufacture: 2008. Power: 22KW, 60A. Shipping costs are borne by the buyer. We can arrange complete container shipping, including packing and loading. Here are two packing options: Option 1 Packing on a pallet + aluminum foil and moisture absorbers Requires a 40' HC container. Hodpfx Ansy Shzaeysu This is the recommended option, as the vacuum foil and absorbers create a protective barrier against moisture and salt. Cost, including loading and securing the machine in the container: 1800 EUR (net). Option 2 Packing without a pallet, aluminum foil, or absorbers. Loading only into a 40' OT container. Cost: 850 EUR (net). Note: In this case, the machine will be more exposed to moisture and salt. Example cost of TRANSPORT ORGANIZATION SERVICE – freight forwarding (all-in), loading Częstochowa, PL, unloading 121001 India, IN, 40 HC, port-to-port, approximately 40 days: 5,050.00 USD.

Condition: good (used), Year of construction: 1992, Single-piece sanding machine sanding from top and bottom electric height adjustment with digital display continuously variable feed speed star/delta starter pneumatic belt tensioning main switch sanding belt oscillation finishing brush unit top and bottom, manual height adjustment Working width: 190 mm Working height: 4 - 150 mm Min. workpiece length: approx. 280 mm Hsdpowyda Uefx Anyju Abrasive belt dimensions (L x W): 1850 x 200 mm Feed speed: 5 - 25 m/min Installed power: approx. 14 kW Extraction port diameter: 2 x 180 mm Dimensions (L x W x H): 2000 x 1000 x 2050 mm Weight: approx. 1800 kg Incl. infeed and outfeed roller conveyor (L = 1600 mm, non-driven) Note on used machines: • Technical data subject to errors and prior sale. • Quoted prices are ex-works – loaded free of charge! • The machines have been cleaned and function-tested. • All machines are sold as inspected, with no claims to warranty. Buyers are welcome to inspect machines at the location. • Special agreements are only valid in written form. (We answer inquiries only when your address and telephone number are provided!)

Condition: used, Year of construction: 2008, Control Siemens Sinumerik 840 D x-axis 800 mm y-axis 600 mm Z-axis with 60 mm wide disc 460 mm Z-axis with 100 mm wide disc 410 mm dimensions of grinding wheel 300 x 50 x 127 mm Table surface sanded 800 x 400 mm Max. clamping surface 1.150 x 400 mm Distance from table to spindle center 700 mm table height over floor 1.000 mm Max. table load 800 kg Net machine weight ca. 4.500 kg Dimensions (W x D x H) ca. 3.500 x 3.00 x 2.400 mm Hodpfszzrhtox Anyou Condition: Used Accessories, tools, and clamping devices shown are included in the scope of delivery only if specified in the additional information. Subject to change, errors in technical data and specifications, and prior sale.

Condition: used, Year of construction: 2013, functionality: fully functional, operating hours: 334 h, power: 17.5 kW (23.79 HP), input voltage: 400 V, input current: 31 A, input frequency: 50 Hz, type of input current: three-phase, total height: 1,600 mm, total length: 6,600 mm, total width: 1,250 mm, overall weight: 2,900 kg, year of last overhaul: 2026, Equipment: CE marking, documentation/manual, We are offering this used OTT TORNADO-TOP edge banding machine, manufactured in 2013. The machine is in very good condition and was rarely used. It was only used to process PUR adhesive for custom-made products and individual pieces of furniture. No serial production. Type: TORNADO-TOP Year of manufacture: 2013 Power supply: 3~ N+PE Frequency: 50 Hz Rated voltage: 3×400 VAC Rated current: 31 A Rated power: 17.5 kW Hedpozvqcljfx Anyju cos φ: Control voltage: 24 VDC Maximum fuse rating: 35 A Cable cross-section: 5×6 mm² If you have any questions or require further information, please feel free to send us a message or call us.

Condition: used, LASM belt edge grinder, Hedezxz Taspfx Anyju Double-sided grinder, capable of sanding on a platen or a flat surface, 380V power supply, 3KW motor, 150mm wide abrasive belt, Oscillation, Angle-adjustable table, Used machine, ready for operation.

Condition: excellent (used), Year of construction: 2005, functionality: fully functional, grinding length: 1,000 mm, grinding width: 600 mm, Perfect PFG60100AHR surface grinder year of manufacture: 2005 magnetic table: 1000 x 600 mm Hedpozbrpfsfx Anyou max. grinding area: 1000 x 600 mm variable magnetic force automatic feed coolant/filter tank 5 grinding wheels and various grinding stones documentation machine is powered on for inspection

Condition: excellent (used), Delta TP-1200/500 Hsdpfxoz Eza Rj Anysu

Condition: like new (used), Year of construction: 2023, functionality: fully functional, total height: 2,650 mm, total length: 4,100 mm, total width: 2,420 mm, feed length X-axis: 1,190 mm, feed length Z-axis: 390 mm, workpiece weight (max.): 525 kg, feed rate X-axis: 30,000 m/min, feed rate Y-axis: 1,600 m/min, feed rate Z-axis: 2,000 m/min, table speed: 30,000 mm/min, spindle speed (max.): 4,000 rpm, overall weight: 5,400 kg, grinding spindle motor power: 37 W, travel distance X-axis: 1,000 mm, travel distance Y-axis: 500 mm, travel distance Z-axis: 400 mm, Equipment: documentation/manual, rotational speed infinitely variable, ELB Smartline, fully functional, available for sale due to business closure. Please refer to the machine description for technical details. Hjdpfx Anoz Dabwoysu Additionally, oil mist separator, original packaging.

Condition: used, Year of construction: 2002, Technical details: grinding length: 1500 mm grinding width: 700 mm Hsdpfx Anoz Dvideyeu workpiece height: 580 mm table load capacity: 2380 kp table speed -stepless-: 5 - 35 m/min grinding wheel dia. x width: 500 x 100 x 203 mm grinding wheel motor: 18 kW speeds:: infinitely variable (elektronically) total power requirement: 35 kW weight of the machine ca.: 12 t dimensions of the machine ca.: 5,3 x 2,9 x 3,8 (3,18) m surface grinding machine, paper-filter, DRO 3 axis, automatic infeed, el.handwheel, full cabin *

Condition: used, Year of construction: 1991, Technical details: grinding length: 600 mm grinding width: 375 mm workpiece height: 375 mm max. table load: 300 kg grinding range: 350 - 600 mm Table dimensions: 900 - 350 mm magnetic plate size: 600 x 350 mm dimensions of grinding wheel: 300 x 50 x76,2 mm mm total power requirement: 12 kW weight of the machine ca.: 5,2 t dimension machine xH: 3,3 x 2,6 x 2,4 m dimension coolant device LxWxH: 0,8 x 0,8 x 0,8 m -Longitudinal table stroke = 700mm -transverse travel of table = 800mm Coolant pump Hedpsxu D Huefx Anyou *

Condition: excellent (used), Number of sanding units 4 St. sanding width 190 mm Sanding height max. 180 mm Control ja weight 3300 kg Dimensions (L/W/H) 2600x920x1890 mm Dust suction hood 2x180, 2x120 mm Löwer DSM 2004 Double-Sided Sanding Machine ----- 4-Belt Sander + Disc Unit (Top/Bottom) Manufacturer's Description: ----- Double-sided, four-belt, single-wood sander for sanding solid wood such as window frames, etc. Highly stable, top-quality design with innovative details. Suitable for high continuous loads, even with high material removal rates. - Sequentially arranged grinding units for roughing, fine grinding, and finishing, each from above and below 1. Belt grinding unit with heavy steel roller 2. Belt grinding unit with rubberized roller and shoe 3. Finishing unit with fiber brush (see optional equipment below) - Direct-drive grinding rollers for slip-free power transmission - Maintenance-free and wear-free CERMET-coated grinding shoes with very good thermal conductivity and absolute dimensional accuracy - External cooling of the grinding zones for cooler grinding and longer belt life - Forced pneumatically controlled grinding belt oscillation - Effective grinding dust extraction directly at the grinding rollers - Airborne dust extraction at the tension rollers - Integrated brushing and finishing unit with large grinding dust extraction - Motorized grinding thickness adjustment via precision threaded spindles and large linear ball bearing sets on hardened and ground precision shafts with dust and Dirt protection - Chip removal adjustment at the bottom via precision threaded spindle with dimension display via scale ring (0.1 mm resolution) - Sanding belt tension via pneumatic cylinder with constant tension pressure - Sanding belt change with pneumatic belt release in seconds - Sanding belt tracking adjustment during belt change - Electropneumatic compressed air monitoring - Infeed protection via contact roller for workpieces that are too thick - Workpiece transport via calibrated, non-slip and adhesive conveyor belts over heavy-duty cast iron tables with a finely planed surface and spring-loaded pressure rollers with fine adjustment - Cardan shaft drive for smooth and consistent workpiece transport - Geared feed motor with infinitely variable speed 4-20 m/min - All motors electrically protected - Ergonomically arranged operating elements - Digital thickness display (0.1 mm resolution) with modern magnetic tape system Technical data: ----- - Sanding belt speed 22 m/s - Sanding belt length 1800 mm - Sanding belt width 200 mm - Working width 190 mm - Sanding thickness 2-180 mm - Four brake motors for drive 5.5 kW - Feed motor 1.5 kW - Feed speed 4-20 m/min - Automatic height adjustment 0.37 kW Hedpfevu Hgbox Anysu - Two brush units with fiber brushes D 120 x 200 mm at 0.37 kW each - Extraction ports 2 x 180 mm, 2 x 120 mm - Extraction air velocity 20 m/s - Pneumatic connection 6 bar - Working height 870 mm - Length (with soft disc 2740 mm) 2600 mm - Length with control unit (with soft disc 3035 mm) 2985 mm - Width 880 mm - Height 1910 mm - Weight approx. 3300 kg - Operating voltage 400 volts, 50 Hz, 3P - CE compliant Equipped with the following special options: -----...

Condition: excellent (used), Year of construction: 1988, functionality: fully functional, Jung JF 520 D Hodozba Ngspfx Anysu year of manufacture 1988 magnet 500 x 175 mm max. grinding area 600 x 220 mm variable speed variable magnetic field strength automatic start diaform coolant/filter tank 3 x flange 1 x clamp documentation machine is powered on for inspection

Condition: used, Year of construction: 2000, functionality: unexamined, machine/vehicle number: 49293, type of input current: DC, power: 11 kW (14.96 HP), 1 Surface grinding machine, manufacturer: ELB, type: Perfekt 8 SPS-NK, year of manufacture: 2000, with magnetic clamping plate, oil flow filter. Hjdpfx Anez E Hqbeyju

Condition: used, Year of construction: 1974, Technical details: grinding length: 600 mm grinding width: 200 mm workpiece height: 400 mm magnetic plate size: 630 x 200 mm Max. Table-movement horizontal: X-Richtung max. 710 mm Max. Table-movement across: Y-Richtung max, 250 mm table load capacity: 110 /1100N) kp table speed: 1,5 - 18 m/min dimensions of grinding wheel: max. 200 x 20 x Ø 51 mm grinding wheel dimensions:: gespannt: Ø 142 x 20mm grinding spindle speed: 2800 U/min feed of spindle: 0,01 mm total power requirement: 5,0 kW weight of the machine ca.: 1,0 t dimension machine xH: 1,8 x 1,2 x 1,9 m dimensions: Behälter Absaugung: 420 x Ø 350 x 680 mm Hodpju Ngmbjfx Anyou The machine was used for dry grinding. -very good condition -without dressing device -dust extraction -machine lamp *

Condition: used, Year of construction: 1961, Technical details: grinding length: 600 mm grinding width: 200 mm workpiece height: 270 mm grinding length: mit Magnet: 500 mm Distance Spindlecenter - clamping surface area, min:: 350 mm grinding spindle speed: 1000...4700 U/min table surface area: 720 x 200 mm table load capacity: 60 kp Hjdju Ngg Uspfx Anysu magnetic plate size: 455 x 180 (Gleichstrom) mm magnetic-table: vertical kippen 90° längs Stück total power requirement: 2,0 (2,7 PS) kW weight of the machine ca.: 1600 + 176 kg Gleichrichter kg dimension machine xH: 1,4 x 1,8 x 1,7 m transport measurements machine: 1,4 x 1,8 x 1,6 m dimensions electric cabinet: L: 850 x B: 450 x H: 1.100 mm dimensions of grinding wheel: Ø 225 x 20 x Bohrung Ø 51 mm mm The magnetic plate (24V) is cooled. Grinding spindle: The grinding wheel infeed is electric, vertical 270mm, infeed z-axis 0,002 mm to unlimited inching infeed 0,001 - 0,010mm Peripheral speed max 35 m/sec. allowed equipped with coolant tank, pump and magnetic separator, as well as grinding wheel - size Ø 152 x 14mm plus various accessories (in the cabinet) like some grinding wheels and balancing flange The machine is pre-equipped for an exhaust system. *

Condition: ready for operation (used), Year of construction: 1999, functionality: fully functional, machine/vehicle number: 15360599, spindle speed (max.): 2,800 rpm, travel distance X-axis: 600 mm, travel distance Y-axis: 350 mm, travel distance Z-axis: 383 mm, disc diameter: 300 mm, TECHNICAL DETAILS X-axis travel: 600 mm Y-axis travel: 350 mm Z-axis travel: 383 mm Maximum grinding area: 600 x 350 mm Standard magnetic table size: 600 x 350 mm Grinding wheel diameter: 300 mm Spindle speed: 2,800 rpm Clamping surface: 820 × 350 mm Maximum table load: 400 kg Table speed: 0.005–35 m/min Rapid traverse (cross and vertical movement): 4,000 mm/min MACHINE DETAILS Control system: Siemens Electrical Data Operating voltage: 400 V, 3-phase Mains frequency: 50 Hz Hodpfx Aoxnwm Ujnysu Machine weight: 2,200 kg EQUIPMENT - Coolant system - Automatic grinding wheel dresser

Condition: used, ELB BD 12 NC-K Surface Grinding Machine (1998) Upgraded in 2019 Hjdpfxez Hl Rpe Anysu 3,000mm maximum travel 1,200x600mm table size 580mm maximum workpiece height 20kW main spindle power 2,900rpm spindle speed 1,200x600mm magnetic chuk ± 0,05mm surface tollerance