Central Housing

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Central Housing

Central Housing With A Precision Finished Bore

Advancements

Manufacturers are continually pushing the envelope in regard to what can be accomplished with the single pass Honing Process. Improved tool, fixture and machine designs have allowed for increased production rates as well as improved bore precision. The following are some of the latest advancements that have been made.

Higher Bore Precision

Since all the diamond tools are set to specific sizes and do not require expansion during each cycle, the single pass Process is able to achieve unsurpassed size control in production (1μm with near perfect repeatability). These results are very predictable and repeatable, thus lend perfectly to Statistical Process Control.

Case History : 20

Data table: Material, EN-GJL-250, Hardness, 24 HRC
MaterialEN-GJL-250Hardness24 HRC
Bore TypeThrough BoreStock Removal0.045 mm
I/P SizeØ14.745Length49 mm
Tool 1Ø14.765GritBV
Tool 2Ø14.777GritBS
Tool 3Ø14.785GritBR
Tool 4Ø14.790GritBO
Data table: BORE QUALITY, REQUIRED, ACHIEVED
BORE QUALITYREQUIREDACHIEVED
SizeØ14.79 ± 0.004Ø14.790/Ø14.792
Cylindricity0.0060.003
Surface Finish0.6 Ra0.4 Ra
Data table: Machine Type, ABS-405 (5-Spindle 4-Station)
Machine TypeABS-405 (5-Spindle 4-Station)
Cycle Time35 Sec/Component
Production100 Nos/Hour

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