Sleeve
Advancements
Manufacturers are continually pushing the envelope inregard to what can be accomplished with the single pass Honing Process. Improved tool, fixture and ma-chine 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.
Cost Reductions
The following case histories are good examples of where component manufacturers were able to improve bore quality and dramatically reduce costs by switching from the conven-tional process to the single pass Process. More and more manufacturers are now switching over to the single pass Process for this operation and realizing cost savings of as much as 50%.
Case History: 4
| Material | 16MnCr5 | Hardness | 58-62 HRC |
| Bore Type | Through Bore | Stock Removal | 0.050mm |
| I/P Diameter | Ø31.95(+0.01) | Length | 72mm |
| Tool 1 | Ø31.967 | Grit | BS |
| Tool 2 | Ø31.979 | Grit | BS |
| Tool 3 | Ø31.988 | Grit | BR |
| Tool 4 | Ø31.996 | Grit | BQ |
| Tool 5 | Ø32.002 | Grit | BP |
| Tool 6 | Ø32.005 | Grit | BL |
| BORE DIMENSIONS | REQUIRED | ACHIEVED |
| Size | Ø32 (+0.003/+0.007) | Ø 32.005 |
| Taper | 0.002 mm | 0.0015 mm |
| Ovality | 0.005 mm | 0.003mm |
| Surface Finish | 0.20 Ra | 0.16 Ra |
| Machine Type | AB 608(6-Spindie 8-Station) |
| Coolant | ABHI HONING OIL (AB 15O) |
| Production | 80 Nos / Hour |
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