Steel Ball
Advancements
Manufacturers are continually pushing the envelope in regards 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 followings are some of the latest advancements that have been made.
Through Bore
The Key to the single pass Process is to allow the diamond tooling to follow the existing centerline of the bore to be finished with as little pressure as possible.This is normally done by allowing the part part to float along with the fixture to achieve the bore sizes and geometry.
Case History: 2
| Material | SAE 52100 | Hardness | 62-67 HRC |
| Bore Type | Through Bore | Stock Removal | 0.O80mm |
| l/P Diameter | ø8.93(+0.012) | Length | 26mm |
| Tool 1 | ø8.950 | Grit | BV |
| Tool 2 | Ø8.965 | Grit | BV |
| Tool 3 | ø8.980 | Grit | BV |
| Tool 4 | ø8.995 | Grit | BS |
| Tool 5 | ø9.005 | Grit | BS |
| Tool 6 | Ø9.010 | Grit | BR |
| BORE DIMENSIONS | REQUIRED | ACHIEVED |
| Size | ø9(+0.05/+0.014) | ø9.010 |
| Taper | 0.003 mm | 0.OO1mm |
| Ovality | O.OO2mm | O.OO1mm |
| Surface Finish | O.4 Ra | O.23 Ra |
| Machine Type | AB 608(6-Spindie 8-Station) |
| Coolant | ABHI HONING OIL (AB 15O) |
| Production | 180 Nos / Hour |
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