Used Aba Flat Grinding Machine for sale (66,847)

Condition: not inspected (used), Year of construction: 2002, functionality: unexamined, machine/vehicle number: 23220702, grinding wheel diameter: 300 mm, table length: 820 mm, table width: 350 mm, overall weight: 3,500 kg, controller model: SIEMENS SINUMERIK, No minimum price – guaranteed sale to the highest bidder! Bidding obligates the buyer to collect the machine within the specified period between 04.05.26 and 07.05.26. TECHNICAL DETAILS Grinding area: 600 x 350 x 375 mm Max. grinding wheel diameter: 300 mm Table dimensions: 820 x 350 mm Magnet dimensions: 600 x 350 mm MACHINE DETAILS Ncedpjyr Nqnjfx Akfsr Control system: SIEMENS SINUMERIK Operating voltage: 3 x 400 V Frequency: 50 Hz Rated current: 35 A Connected load: 7 kW Dimensions & Weight Dimensions (L x W x H): 4,000 x 2,400 x 2,300 mm Weight: 3,500 kg EQUIPMENT Magnetic chuck MPM balancing device External reference: 61

Condition: new, width of the strips 100 mm band length 2000 mm band speed 15 + 30 m/sel tube diameter 20 - 76 mm angle adjustable from - to 30 - 90 Grad Dust suction hood 2 x 75.0 mm motor speeds: 1420 / 2660 Upm. face grinding attachment 400 x 100 mm total power requirement 2.5 / 3.3 kW weight of the machine ca. 148 kg. range L-W-H 750 x 1400 x 1200 mm Furnishing : Nodjxab Dzjpfx Akfscr - Constant belt tension through spring-loaded tensioning device - Standard with cylindrical grinding device - for grinding diameters of diam. 20-76 mm - Quick and easy setting of the desired grinding angle - Graphite coating on the flat grinding surface increases the sliding properties of the sanding belt - Large plan grinding surface with protective cover - Slow belt speed (15 m / sec.) - ideal for grinding stainless steel and aluminum - User-friendly tape change, quick and uncomplicated - Quick and easy changing of the grinding rollers without tools - Various grinding angles from 30 ° to 90 ° are possible without any problems - Shorter processing times compared to milling scope of delivery - Sanding belt K 36 - Rubberized sanding roller - 1 piece sanding roller for 1 1/4 "pipe (42/44 mm pipe) - 2 pcs. Hinged protective panels - Sanding and support table - 2 x dust extraction nozzle diam. 75 mm - 2 pieces of chip collector - graphite coating - Motor protection switch

Condition: reconditioned (used), Generally overhauled grinder manufactured by LŽT Kikinda, type URB 550/750/1000. Machine Features: table area 880/1130/1500 x 300 mm Max. Grinding length 550/750/1000 mm Max. grinding width 350 mm Max. Grinding wheel axis height 500 mm Max. Cross stroke of the table 300 mm Max. Longitudinal stroke of the table at max. speed 570/770/1020 mm normal size of magnetic plate 500/750/1000 x 300 mm Sanding disc 300x50x127 mm Grinding accuracy 5 microns new electrical cabinet with components manufactured by ABB, Schnieder Painting in the final color according to the customer's wishes Warranty on work: 6 or 12 months. Delivery time: by agreement. Ncjdpfev Tah Nex Akfjr Feel free to call for anything else.

Condition: reconditioned (used), Generally overhauled grinder for external and internal round grinding LŽT Kikinda, type AFB 300/500 and UFB 300/500 Machine Feature: spike height 135 mm Spacing between spikes 300/500 mm Diameter of the through workpiece 270 mm Grinding length 300/500 mm maximum workpiece weight 10 kg The diameter of the grinding of the workpiece max. 100 mm Ncodpfxsv Tav Te Akfjr The accuracy of the machine at a length of 300/500mm is in 5 microns Repeatability of support up to 5 microns Electrical components manufactured by ABB, Schnieder Painting in the final color according to the customer's wishes Warranty on works: 6 months Delivery time: negotiable For more information, call.

Condition: used, Year of construction: 2009, grinding diameter - internal max. 600 mm grinding diameter - cylindrical max. 800 mm control Siemens Sinumerik 840 D internal grinding depth max. 800 mm External grinding length max. 600 mm turning speed range - stepless 1-795 U/min workpiece length max. 800 mm Workpiece spindle unit (U/B1/L adjustment): - Travel (U axis): 300 mm - Swivel angle (B1 axis): -0.5°/+12° Nsdpfxjwp S Tns Akfscr - Drive power of the workpiece spindle: 8.5 kW - Speed range (infinitely variable): 1-795 rpm - Setup speed (tapping): 10 rpm - Spindle head size A 8 according to DIN 55026 - Through bore 58.5 mm - Workpiece diameter max. 830 mm - Workpiece length (clamped in flight) max. 800 mm - Workpiece length (clamped between centers) max. 800 mm - Load capacity at spindle head max. 6100 N Internal grinding device (Z1/X1/B2): - Travel (Z1 axis): 1100 mm - Travel (X1 axis): 150 mm - Swivel angle (B2 axis): 270° - Manual longitudinal adjustment of internal grinding axis on table: 780 mm - Drive power of internal grinding spindles (infinitely variable) Belt-driven grinding spindles: 7.5 kW - Mounting bore grinding block (diameter): 100 mm / 125 mm - Mounting length grinding block: 220 mm - Grinding diameter: max. 600 mm - Grinding depth: max. 800 mm External and surface grinding device (Z2/X2): - Travel (Z2 axis): 800 mm - Travel (X2 axis): 470 mm - Swivel angle (B2 axis): 270° - Drive power of external grinding spindles: 7.5 kW - Mounting bore of grinding block: Ø 140 mm - Grinding diameter: max. 800 mm - Grinding length max. 600 mm - Grinding wheel dimensions: max. Ø 450 x 50 x Ø 127 mm Equipment/accessories: - Various grinding spindles - Various flanges/grinding wheel holders - Various clamping jaws - Coolant system - Oil mist filter - Cooler - Technical documentation

Condition: used, Year of construction: 2001, grinding length 4200 mm grinding width 1300 mm workpiece height 550 mm Control Siemens 840D passage width 1300 mm electro-magnetic table 4200 x 1300 mm grinding height 550 mm grinding motor 306 kW grinding motor turning speeds up to 370 U/min grinding motor feed, infinitely variable 0,5-35 m/min coolant flow rate 2000 l/min weight of the machine ca. 50 t dimensions of the machine ca. 11,21 x 5,25 x 3,85 m Equipment / Accessories: - segment head - diameter 1400 mm - for segment dimensions 120/106 x 41 x 250 mm Ncedpfxethumuj Akfor - number of segments: 1 set = 26 pieces - grinding motor adjustment - in steps: 0,002 - 1 mm - continuous: up to 5 mm/min stepless

Condition: used, Plane grinding machine Njdpfxeum U Adj Akfecr Brand HIDRO PRECIS Type RSPB 1500 1500 x 600 mm electromagnetic platen.

Condition: used, Year of construction: 2012, Technical details: max. wheel diameter: 260 mm gear width: 320 mm max. module: 5 weight of the machine ca.: 21 t dimensions of the machine ca.: 8,71 x 5,97 x 3,49 m no. of teeth: 1...999 max. helix angle: +45/-45 ° pitch min.: 0,1 mm pitch max.: 1000 mm X-axis: 345 mm y-axis: 250 mm Nsdpfjy Amllex Akfecr Z-axis: 320 mm b-axis: 360 ° c-axis: 360 °

Condition: used, grinding length 4000 mm grinding width 1450 mm workpiece height 1250 mm Nsdpjy A Tacefx Akfecr control Siemens 840 D workpiece weight 11000 kg column daylight 1460 mm table surface area 4000 x 1250 mm table feed 1 - 45 m/min cross rail - adjustment 1250 mm total power requirement 40 kW dimensions of the machine ca. 12,3 x 6 x 4,8 m Equipment/Accessories: - 1 universal grinding support, 7.5 kW Swivel range grinding spindle +/- 110° grinding disc dimensions Ø 500 x 60 mm Vertical adjustment 350 mm with puller - 1 peripheral grinding support, 22.5 kW Grinding wheel dimension Ø 600 x 100 mm Vertical adjustment 150 mm with puller - with 6 magnetic plates arranged on the table - seperate clamping table - various grinding wheels and flanges - Technical documentation

Condition: new, Year of construction: 2026, width of the strips 50.0 mm band length 940 mm band speed 3.0 - 22 m/min turning speeds 1450 U/min tube diameter 16.0 - 114 mm Nodpfx Asxaaxqekfocr radius 180 ° total power requirement 4.75 kW weight of the machine ca. 265 kg range L-W-H 1000 x 750 x 1300 mm Furnishing: - stationary pipe belt grinders - Automatic material feed with separate drive motor - Replacement sanding belts - Stepless speed adjustment - Manual adjustment of tube tension - Polish bent pipes up to 180" (angle). - Manual work possible without feed - CE mark / declaration of conformity

Year of construction: 2014, condition: new, Double grinding machine REMA DS 40/400 Motor : 3kw , plus four boxes of grinding wheels Nsdpfx Akjgkrxcofecr

Condition: good (used), Year of construction: 2001, functionality: fully functional, Technical details grinding length 4200 mm grinding width 1300 mm workpiece height 550 mm Control SIEMENS 840 D magnetic clamping plate 4200 x 1300 mm segment head diameter 1400 mm grinding motor turning speeds up to 320 U/min. grinding motor 306 kW weight of the machine ca. 50,0 t Additional information Segment dimensions: 120/106 x 41 x 250 mm Number of segments: 1 set = 26 pieces Grinding motor feed: 0.5 - 35 m/min, infinitely variable Grinding motor feed: - in steps: 0.002 - 1 mm continuous: up to 5 mm/min. infinitely variable Equipment: * CNC-control SIEMENS Sinumerik 840 D * Automatic hydr. swivelling of the grinding motor from hollow to cross grinding * NC-controlled adjustment of the Marposs measuring head by means of precision support. - new grinding dimensions can be entered into the control, whereby the the grinding head automatically adjusts to the corresponding height. * Dresser with adjustment axis in the machine bed * Coolant system * Electro-magnetic table * Switch cabinet * Oil mist extraction * Documentation Nedpfx Aksy Avdqsfocr Dimensions (length x width x height) Bed: 11800x2200x1400 mm, weight 27500 kg Grinding head: 3000 x 2500 x 3100 mm, estimated weight 14 t 2 x Oil mist extraction: 1200 x 800 x 2000 mm each Control panel: 1200 x 800 x 400 mm Small control cabinet: 1400 x 1400 x 800 mm 2 x gears each 1200 x 800 x 500 mm Control cabinet: 1600 x 800 x 2000 mm Control cabinet: 3400 x 600 x 2400 mm

Condition: excellent (used), Year of construction: 2019, functionality: fully functional, Technical details grinding length 600 mm grinding width 400 mm workpiece height 400 mm weight of the machine ca. 4,5 t dimensions of the machine ca. 3592 x 3519 x 2203 mm Additional information Horizontal surface grinder in almost new condition Operating hours: CNC on: 1198 hours Machine on: 1117 hours Automatic operation: 509 hours Grinding operation: 228 hours Ncjdpsy Avbisfx Akfer Okamoto Touch Screen Control Travel X-axis: 600 mm Travel Y-axis: 22.5 – 497 mm Travel Z-axis: 400 mm Speed range rpm: 1-2800 (stepless) Rapid traverse mm/min: 4000 Main drive kW: 7.5 Maximum table load in kg: 1000 Accessories: - Electro-permanent magnetic clamping plate: 400 x 600 P13 mm, height 80 mm (make Wagner) - 2 grinding wheel flanges - Table dresser - Automatic straight dresser, spindle box mounted - Automatic compensation of the wheel dressing amount - Automatic central lubrication - Ball screw in the Y and Z axes with AC servo motor and measuring system - Coolant system with belt filter system

Condition: good (used), Year of construction: 1995, functionality: fully functional, Technical details internal diameter 800 mm grinding depth 500 mm swing diameter 850 mm weight of the machine ca. 6,4 t Additional information Used internal cylindrical grinding machine with face grinding device Ncsdpoy Au R Asfx Akfor in special design with enlarged swing diameter and extended, hydraulic transverse movement Reconstructed and modernized 1995 in the Glauchau manufacturer’s plant, put into operation 1996 1. TECHNICAL DATA 1.1 Working area Grinding diameter in the workpiece guard internal grinding, min./max. mm 30/630(800) External grinding, max. mm 800 Grinding depth, up to approx. mm 500 Table stroke mm 800 Workpiece diameter, max. mm 800 Swing diameter in workpiece protection, max. mm 800 Without workpiece protection, approx. mm 850 Distance from workpiece spindle head to grinding spindle carrier, max. mm 1225 Adjustment of the internal grinding device on the table, max. mm 545 1.2 Workpiece headstock Cross shift, max. mm 650 Cross adjustment via gear motor and positioning device with HEIDENHAIN digital position display Swivel, max. degrees 15 Workpiece spindle Speeds rpm 16/22/32/ 45/63/90/ 125/18/250 Load capacity, max 1000 Spindle head (with bayonet flange) DIN 55021 size 11 Machine accessories: 2-axis digital displays made by HEIDENHAIN Coolant system with magnetic separator Fixators (machine shoes) Various grinding wheels Diamond dresser Large face plate Internal and face grinding device Halogen machine lamp Machine documentation

Condition: new, Machine type: Trough vibrator TV45 Shown: TV45 including sound insulation and WS25 for component separation Manufacturer: Eurotec Innovation GmbH Rated speed: 1500 rpm Gross volume: 115 liters Inner length container: 850 mm Inner width container: 380 mm Inner height of the container: 395 mm Supply line: 400V - 16A - 50Hz APPLICATION AREAS: - Deburring, smoothing and polishing - Descaling, derusting and cleaning - Rounding edges - Finishing of surfaces BENEFITS: - Wiper edge to reduce component build-up on the inner wall of the container - Particularly economical, even if used only occasionally - Optionally available as a version for pressure deburring and ball polishing - Robust construction with a low-maintenance vibration motor - Integrated holder for lifting and moving the system using a lift truck or forklift truck - Quick emptying of the container and changing of abrasives thanks to a large drainage opening for abrasives - Quick-change drainage sieve made of polyurethane - Rubber-cushioned feet to reduce the transmission of vibrations The stated price is net plus 19% sales tax and plus freight. A suitable switchgear is required to operate the system. The pictures show the system including accessories, which are optionally available. The price refers to the basic machine (TV45) ----- Nsdpfx Aef Sqdtjkfscr Please just contact us, we will be happy to advise you without obligation. ----- The European Commission provides a platform for out-of-court online dispute resolution (OS platform). The offer serves exclusively as an internet presentation of our goods. The contract negotiation comes about by means of telecommunication (email, fax, telephone, news portal), where we first make you a non-binding offer, in which we inform you about our general terms and conditions and the right of withdrawal with imprint before the purchase / contract is concluded.

Condition: good (used), Year of construction: 2015, functionality: fully functional, machine/vehicle number: 156608, total height: 2,100 mm, total length: 3,000 mm, total width: 2,000 mm, grinding wheel diameter: 250 mm, overall weight: 1,800 kg, SAEILO KENT KGS-63 WMI surface grinding machine Njdpfx Akoym Sh Sjfocr - Magnetic table dimensions: 610 x 310 mm Attention: The item must be collected between 21.04. and 30.04.2026 on a binding date to be agreed upon. FCA D-96257 Marktgraitz – loaded onto truck

Condition: good (used), functionality: fully functional, well-maintained tool grinder with accessories as shown in the pictures Nodpfsy Hdm Isx Akfocr

Condition: good (used), Year of construction: 1970, functionality: fully functional, Data : Nedpfxsy Hdmze Akfjcr Tip width 300 mm Tip height 150 mm External grinding spindle 4.0 kW Grinding wheel max. 400 x 80 x 127 mm Spindle cone MK4 Workpiece headstock 0.55 kW Workpiece speeds 30 - 450 rpm Internal grinding spindle 1.5 kW

Condition: new, Year of construction: 2025, The Optimat BD150 Floor grinding machine is the perfect complement to the SDP750 sander. It is ideal for leveling sanding, sanding wooden surfaces, finishing and renovation work, as well as for stairs, corners and edges. Thanks to its compact size, it ensures precise sanding quality. The edge sander is equipped with a powerful motor and an integrated dust extraction system. The BD150 is suitable for Velcro and screw discs. The tiltable dust extraction pipe ensures that the dust bag is not damaged. Efficiency 5 m2/h Disc diameter 150 mm Nodpjtw Smvefx Akfscr Engine speed 11,500 rpm Disc speed 3400/3700 ​​rpm Power consumption 1.1 kW Length of long nozzle 481 mm Dimensions (L x W x H) 552 x 246 x 410 mm Weight (without cord) 10 kg Sound power level 80 dB(A)

Condition: ready for operation (used), Year of construction: 1997, operating hours: 20,045 h, functionality: fully functional, travel distance X-axis: 500 mm, travel distance Y-axis: 300 mm, travel distance Z-axis: 450 mm, spindle speed (max.): 60,000 rpm, spindle speed (min.): 9,000 rpm, table load: 300 kg, overall weight: 4,500 kg, travel distance W-axis: 450 mm, Equipment: documentation/manual, For sale: used Hauser S35-400 coordinate grinding machine, year of manufacture 1997, in well-maintained condition with various accessories as shown in the photos. Travel paths: X-axis: 500 mm Y-axis: 300 mm Ncjdpfx Asyywb Sekfjr W-axis: 450 mm Z-axis feed rate, stepless: 0.5–14,000 mm/min Table size: 600 x 380 mm Maximum table load: 300 kg Control: GE Fanuc Series 16-M Dimensions (L/W/H): 4.25 m x 4 m x 3.25 m Total weight: 4,500 kg Machine is immediately available! Price includes loading onto truck!

Condition: used, Year of construction: 2004, Lot consists of: (1) CNC Horizontal Double-Disc Surface Grinder Technical Details: grinding wheel diameter x width 762 x 220mm, MARPOSS E3 in-process measuring system, CNC FANUC 210i-MB, 400V 50Hz 97kW, weight approx. 13 tons Njdpfx Ajym Tuajkfjcr

Condition: like new (used), We are offering a lightly used glass grinding machine with 8 spindles from Bohle. Year of manufacture: 2012. Nsdeyi Dxhepfx Akfecr

Condition: new, Year of construction: 2025, functionality: fully functional, workpiece weight (max.): 170 kg, grinding spindle speed: 45,000 rpm, spindle speed (min.): 5,000 rpm, spindle speed (max.): 45,000 rpm, clamping diameter: 140 mm, clamping length: 2,000 mm, warranty duration: 12 months, Workpiece Clamping Diameter : ø 3 – 140 mm (Optional: ø 210 mm) Workpiece Diameter : ø 3 – 310 mm Workpiece Length : 50 – 2.000 mm Centre Hole Diameter : ø 1 – 60 mm (Optional ø 100 mm) Workpiece Weight : max. 170 kg (Optional 1,000 kg) Center Hole Angle : 60 ° Accuracy : < 1 µm (Submicron accuracy) Spindle Speed : 5.000 – 45.000 rpm Grinding Cone Movements : 3+1 Rotation Orbital rotation Stroke movement +1 Workpeice rotation Quirlig Grinding Technique : Included (Cross-hatched grinding pattern) Semi-Auto Grinding Cone Dressing : Included Workpiece Rotation : Available (as a option) Dust Extraction And Filtration : Available (as a option) Grinding Process : Manual Sectors: : Precision Grinding, Aviation, Automotive, Machinery etc. Benefits: Sub-micron Precision: Achieve sub-micron (< 1 µm) precision in grinding thanks to Swiss engineering and a robust machine design. Sustainable Reliability: Ensure reliable and sustainable processing. Cost Efficiency & High Productivity: Benefit from lower production costs and high productivity due to a short grinding process and reduced production times for subsequent processes (cylindrical grinding). Quirlig Grinding Technique: Experience an optimized grinding process with the Quirlig Grinding Technique. Properly ground center holes that have cross-hatched grinding pattern. The cross-hatched grinding pattern ensures that oil is retained when the workpiece is placed between the centers during the cylindrical grinding process, creating a micro oil layer. The micro oil layer prevents unwanted "dry running" during cylindrical grinding. Low Maintenance Costs: Enjoy low maintenance costs throughout the machine's service life, thanks to Swiss-quality construction. The Zentroflex M-series center hole grinding machines are designed to deliver high-precision cylindrical grinding in the aviation, automotive, and machinery sectors. Additionally, the Zentroflex M-series is the ideal solution for recovering parts distorted after heat treatment or for reducing cylindrical grinding costs. Contact us for more details. Nedpfx Aoxrnchekfscr

Condition: ready for operation (used), functionality: fully functional, center height: 125 mm, center width: 600 mm, grinding wheel diameter: 400 mm, grinding wheel width: 50 mm, grinding wheel bore: 127 mm, No reserve price - guaranteed sale to the highest bidder! The motor and frequency converter for the workpiece headstock have been replaced! In addition, the control cabinet and wiring diagram have been renewed! TECHNICAL DETAILS Centre height: 125 mm (175 mm with risers) Centre distance: 600 mm Grinding wheel diameter: 400 mm Grinding wheel width: 50 mm Grinding wheel bore: 127 mm Swivel adjustment: 270° Workpiece headstock speed: 20 to 400 rpm Spindle taper: 5 MT Tailstock taper: 3 MT Table swivel adjustment: 10° Table speed: up to 6.0 m/min MACHINE DETAILS External grinding wheel motor: 4.0 kW Workpiece spindle motor: 2.2 kW Dimensions & Weight Dimensions (L x W x H): 2,580 x 1,680 x 1,670 mm Machine weight approx.: 2,700 kg EQUIPMENT New control cabinet and new wiring diagram New motor and frequency converter for the workpiece headstock 2-axis digital display Coolant tank Geometry according to Kellenberger protocol Nsdpfsyu Rd Ijx Akfocr Extensive accessories

Condition: new, Year of construction: 2025, functionality: fully functional, workpiece weight (max.): 170 kg, grinding spindle speed: 45,000 rpm, spindle speed (min.): 5,000 rpm, spindle speed (max.): 45,000 rpm, clamping diameter: 140 mm, clamping length: 1,100 mm, Workpiece Clamping Diameter : ø 3 – 140 mm (Optional: ø 210 mm) Workpiece Diameter : ø 3 – 310 mm Workpiece Length : 50 – 1.100 mm Centre Hole Diameter : ø 1 – 60 mm (Optional ø 100 mm) Workpiece Weight : max. 170 kg (Optional 1,000 kg) Center Hole Angle : 60 ° Accuracy : < 1 µm (Submicron accuracy) Spindle Speed : 5.000 – 45.000 rpm Grinding Cone Movements : 3+1 Ncjdpfx Akogb Ec Hefor Rotation Orbital rotation Stroke movement +1 Workpeice rotation Quirlig Grinding Technique : Included (Cross-hatched grinding pattern) Grinding Process : Semi-Automatic, CNC Control Panel : Beckhoff CNC Movements : Z-Axis Indurstry 4.0 Compatibility : Available Semi-Auto Grinding Cone Dressing : Included Workpiece Rotation : Available (as a option) Dust Extraction And Filtration : Available (as a option) Sectors : Precision Grinding, Aviation, Automotive, Machinery etc. Benefits: Sub-micron Precision: Achieve sub-micron (< 1 µm) precision in grinding thanks to Swiss engineering and a robust machine design. Sustainable Reliability: Ensure reliable and sustainable processing. Cost Efficiency & High Productivity: Benefit from lower production costs and high productivity due to a short grinding process and reduced production times for subsequent processes (cylindrical grinding). Quirlig Grinding Technique: Experience an optimized grinding process with the Quirlig Grinding Technique. Properly ground center holes that have cross-hatched grinding pattern. The cross-hatched grinding pattern ensures that oil is retained when the workpiece is placed between the centers during the cylindrical grinding process, creating a micro oil layer. The micro oil layer prevents unwanted "dry running" during cylindrical grinding. Easy to Use CNC Control Panel: Benefit from very simple operation and grinding program recording with the Beckhoff control panel and Z-axis servo movement. Industry 4.0: Fully compatible with Industry 4.0 applications, thanks to the Beckhoff control panel. Low Maintenance Costs: Enjoy low maintenance costs throughout the machine's service life, thanks to Swiss-quality construction. The Zentroflex SA-series center hole grinding machines are designed to deliver high-precision cylindrical grinding in the aviation, automotive, and machinery sectors. Additionally, the Zentroflex SA-series is the ideal solution for recovering parts distorted after heat treatment or for reducing cylindrical grinding costs. Z-Axis movement is provided by servo motor in CNC form. The part is loaded-unloaded and clamped manually. Settings are made from CNC control panel and grinding is started by pressing the start button. No other manual setting or control is made during grinding. Contact us for more details.