Centerless Grinding – Pins

Good

An application which presents the most daunting challenges to any abrasive manufac­turer. The range of requirements and priorities of this application varies from product to product which calls for an equally wide range of offerings to suit the same. Since in most of the Centerless applications, more than one wheel is mounted on the spindle, extremely tight tolerances need to be maintained in the geometry and densities of the wheels to ensure uniform wear patterns even if each wheel in the set is different. CUMI has the expertise, when it comes to Centerless applications thanks to the advanced manufacturing process, premium Abrasive grains and specially designed Vit­rified, Resin and Rubber bond systems to suit the application needs. Customized solu­tions are provided for every application and specific requirement. Be it through-feed, end-feed or in-feed, CUMI wheels ensure that components are finished to stringent quality requirements.
Type Operation Speed Good Better Best
Gudgeon Pin Rough 35 A463 L5 V10C AA463 L5 V2020 1CUMISA461 K6 VCAE
50 A463 K5 V45C AA463 K5 V2020/50 1CUMISA461 K6 VC500/50
Semi Finish 35 A60 L5 V10C AA60 L5 V2020 1CUMISA601 K6 VCAE
50 A60 K5 V45C AA60 K5 V2020/50 1CUMISA601 K6 VC500/50
Finish 35 A100 J5 V10C AA100 J5 V2020 1CUMISA100 J6 VC500
50 A100 J5 V45C AA100 J5 V2020/50 1CUMISA100 J6 VC500/50
Fine Finish 35 - A220 N5 VK12 -
Super Finish 35 - C320 P5 BYZ A400 F5 RABX
45 - - A400 G7 RBCX
CUMI Code Grit Range Diameter Thickness Hardness Structure Speed
(mm) (Inch) (mm) (Inch) (mps)
CUMISA 46 - 120 350 - 610 14 - 24 100 - 250 4 - 10 I - N 6 & 8 35, 50 & 63
50A / 50MA 46 - 120 I - N 7 35 & 50
65A 80 - 220 L - 40
SA 46 - 120 I - N 5 - 7 35 & 50
9A 46 - 120 I - P 5 - 7 35 & 50
SBA 46 - 120 I - P 5 - 7 35 & 50
AA 46 - 120 I - P 5 - 7 35 & 50
DA 46 - 120 100 - 300 4 - 12 I - P 5 - 7 35 & 50
A 46 - 120 I - P 5 - 7 35 & 50
C 46 - 120 I - N 5 - 7 35 & 50
GC 46 - 120 I - N 5 - 7 35 & 50

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