Mole abrasive diamantate e CBN, Polveri di diamante
Mole abrasive diamantate e CBN, Polveri di diamante
Saint-Egrève, France / Rinteln, Germany – Diprotex SAS, a specialist in superabrasive grinding wheels and precision grinding solutions, today announced the acquisition of MA Microgrind GmbH, a recognized leader in fine-grinding technology based in Rinteln, Germany. The transaction brings together two respected organizations with shared expertise in precision grinding and a commitment to quality, precision, and customer partnership.
The combination enhances Diprotex’s capabilities in fine-grinding and expands its ability to provide advanced, application-specific solutions across a broad range of industries. Customers will benefit from deeper technical expertise, a wider portfolio of high-performance grinding solutions, expanded production capabilities in Europe, and strengthened application engineering and after-sales support.
MA Microgrind will be integrated into the Diprotex group while continuing operations at its Rinteln and Göttingen sites. All current employees will be retained, and the combined organization will continue investing in innovation, technical expertise, and global market development. Matthias Martin will continue to lead the German operations, supported by a joint leadership team under the direction of Paolo Ocleppo.
Together, Diprotex and MA Microgrind aim to become a leading full-service provider of precision grinding tools with a strong focus on fine-grinding applications, enabling excellence in grinding technology for customers worldwide.
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
– 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
– 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
– 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 Mole diamantate e CBN con legante vetrificato, Mole diamantate e CBN per la microrettifica pianparallela
– 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 : Mole diamantate e CBN con legante resinoide
– 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 : Mole diamantate e CBN con legante resinoide, CBN grinding wheel for lamination rolls
– 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 : Mole diamantate e CBN con legante vetrificato, Mole diamantate e CBN per la microrettifica pianparallela
