Video : HSS ROTARY SAW SHARPENING WITH CBN WHEEL IN DRY ON VOLLMER MACHINE

Application : Rotary saw Infeed Sharpening
– Wheel sizes : CBN wheel 14A1 Ø200-6T-2U-10X-170J-32H CBN105949
– Machine : Vollmer
– Coolant : DRY
– Wheel speed : 2000 2500rpm
– Work-piece : HSS Rotary saw
– Material : HSS
– Hardness : 70HRC
– Depth of pass : 0,2mm
– Roughness achieved : 0,4 µm Ra
>> Specification CBN wheel used : CB107N100V
>>Aspect: White no burning and cold cut

Double-Disc Fine Grinding - DIA107334-DIA107335

– Application : Double-Disc Fine Grinding
– Wheel sizes : Diamond Up 2A2T Ø710-51T-6X-200W-310ID
– Machine : Stähli DLM705
– Coolant : Neat Oil
– Wheel speed : 60rpm
– Work-piece speed : 20rpm
– Work-piece : Spacer Ø6 x 1,2mm
– Material : Nylon
– Hardness : 80 Shore D
– Stock removal : 0,2mm total
– Roughness achieved : 0,05 µm Ra
– Flatness achieved : 0,001mm
– Parallelism achieved : 0,002mm
– Specification Diamond wheel used : MMD6-12µN75C
– Qty work-pieces per load: 2500pcs
– Cycle time : 30 minutes

Vidéo : HSS HOB SHARPENING - CBN107363

– Application : Hob Sharpening
– Wheel sizes : CBN 4C9-20° Ø200-16T-2W-3U-2X-50H6 CB427R125JY20 Steel core dwg
– Machine : SEIWA
– Coolant : Neat Oil
– Wheel speed : 1000 1500rpm
– Feed speed : 400mm/min
– Work-piece : HSS HOB
– Material : HSS
– Hardness : 68HRC
– Depth of pass: 0,4mm
– Roughness achieved : 0,1 µm Ra
– Specification CBN wheel used : CB427R125JY20
– Cycle time : 20 minutes

Video : Double-Disc Fine Grinding

– Application : Double-Disc Fine Grinding
– Wheel sizes : CBN 2A2T Ø720-41T-6X-320ID
– Machine : Peter Wolters AC700F
– Coolant : Neat Oil
– Wheel speed : 120rpm
– Work-piece speed : 30rpm
– Work-piece : Stator Ø90 x 20mm
– Material : Sintered steel
– Hardness : 40HRC
– Stock removal : 0,15mm total
– Cut rate: 100µm/min
– Roughness achieved : 0,30 µm Ra
– Flatness achieved : 0,001mm
– Parallelism achieved : 0,001mm
– Specification CBN wheel used : CB200GN75V
– Cycle time : 1,30 minutes
– Interval sharpening: 140 loads

>> More details Diamond & CBN Vitrified bonded wheel, Double Disc fine grinding

Vidéo : External grinding with new generation CBN wheels - CBN105791

– Application : Cylindrical external grinding
– Wheel sizes: 3A1 Ø500-50T-30U-6X-400J-203,2H7
– Machine: GER
– Coolant: Emulsion 3%
– Wheel speed: 30M/S
– Work-piece speed: 60 100rpm
– Traverse speed: 300 600mm/min
– Work-piece : Cylinder Ø150 x 800mm
– Material: Hardened steel
– Hardness: 55HRC
– Stock removal: 0,1mm/Ø
– Roughness achieved: 0,6 Ra
– Specification CBN wheel used: CB91N75JY13CF
– Results: Time process reduced about 50% compared with usual grinding wheel

>> More details : Diamond & CBN Resin bonded wheel

Videos : ROLL GRINDING WITH CBN WHEEL

– Application : Cylindrical external grinding
– Wheel sizes: 1L1 Ø700-70T-10X-3R-304.8H7
– Machine: HERKULES
– Coolant: Emulsion 3%
– Wheel speed: 40M/S
– Work-piece speed: 20 40rpm
– Traverse speed: 200 800mm/min
– Work-piece : Cylinder Ø550 x 2500mm
– Material: Hardened steel
– Hardness: 62HRC
– Stock removal: 0,2mm/Ø
– Roughness achieved: 0,8 Ra
– Specification CBN wheel used: CB-NI107N75JY13
– Results: Time process reduced about 25% compared with usual grinding wheel

>> More details : Diamond & CBN Resin bonded wheel, CBN grinding wheel for lamination rolls

Double-Disc Fine Grinding

– Application : Double-Disc Fine Grinding
– Wheel sizes: CBN 2A2T Ø534-33T-3X-234ID
– Machine: Peter Wolters AC530F
– Coolant: Neat Oil
– Wheel speed: 120rpm
– Work-piece speed: 25rpm
– Work-piece : Spacer Ø15 x 1,8mm
– Material: Hardened steel
– Hardness: 60HRC
– Stock removal: 0,1mm total
– Roughness achieved: 0,15 µm Ra
– Flatness achieved: 0,001mm
– Parallelism achieved: 0,001mm
– Specification CBN wheel used: CB30-40µN75V
– Cycle time: 2 minutes

>> More details : Diamond & CBN Vitrified bonded wheel, Double Disc fine grinding

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