Connecting Rods
Accu-Cut diamond tooling is used by our partners across North America, Europe, and Asia to finish over 30 million connecting rods annually.
Produce high quality connecting rods at a reduced CPU.
| Crank Bore | Pin Bore | |
| Bore Diameter: | 2.370" / 60.19mm | 0.8780" / 22.30mm |
| Material: | Forged Steel | LF Bronze |
| Stock Removal: | 0.003" / 0.076mm | 0.003" / 0.076mm |
| Surface Finish: | 40 Ra / 1.0mm Ra | 32 Ra / 0.8mm Ra |
| Roundness: | < 0.0004" / 0.01mm | < 0.0003" / 0.0076mm |
| Crank Bore | Pin Bore | |
| Bore Size Control: | > 2.0 Cpk | > 2.0 Cpk |
| Surface Finish: | < 20 Ra / 0.5mm Ra | < 10 Ra / 0.25mm Ra |
| Roundness: | < 0.0001" / 0.0025mm | < 0.00013" / 0.0033mm |
| Cycle Time: | 7 - 10 secs | 7 - 10 secs |
Accu-Cut Diamond Microcutting Process creates > 2.0 Cpk on Bend (0.00078" / 0.0198mm) and Twist (0.0015" / 0.038mm). Accu-Cut tool life reduced downtime and CPU by a minimum of 75%.
Reduce tool expense, reduce downtime, reduce scrap
| Surface Finish: | 0.80 Rk / 0.5 mm Ra |
| Surface Finish: | < 0.38 Rk / 0.4 mm Ra |
| Bore Size Control: | > 3.13 Cpk |
| Crank Bore: | 300,000 pcs. |
| Pin Bore: | 500,000 - 1,000,000 pcs. |
| Cycle Time: | < 10 seconds |
Accu-Cut Diamond Microcutting Process creates > 2.0 Cpk on Bend (0.00078" / 0.0198mm) and Twist (0.0015" / 0.038mm). Accu-Cut tool life reduced downtime and CPU by a minimum of 75%.
Produce high quality connecting rods at a reduced CPU.
| Crank Bore | Pin Bore | |
| Bore Diameter: | 2.400" / 60.96mm | 0.8273" / 21.01mm |
| Material: | Powdered Metal | Bronze |
| Stock Removal: | 0.003" / 0.076mm | 0.003" / 0.076mm |
| Surface Finish: | 40 Ra / 1.0mm Ra | 32 Ra / 0.8mm Ra |
| Roundness: | < 0.0004" / 0.01mm | 0.0003" / 0.0076mm |
| Crank Bore | Pin Bore | |
| Bore Size Control: | > 2.0 Cpk | > 2.0 Cpk |
| Surface Finish: | < 20 Ra / 0.5mm Ra | < 8 Ra / 0.2mm RA |
| Roundness: | < 0.0001" / 0.0025mm | < 0.00013" / 0.0033mm |
| Cycle Time: | < 10 seconds | < 10 seconds |
Accu-Cut Diamond Microcutting Process creates > 2.0 Cpk on Bend (0.00078" / 0.0198mm) and Twist (0.0015" / 0.038mm). Accu-Cut tool life reduced downtime and CPU by a minimum of 75%.
Reduce excessive engine noise caused by pin bore.
| Pin Bore Material: | High tensil strength powdered metal |
| Surface Finish: | 0.5mm Ra print spec |
| Surface Finish: | < 0.2 Rk / < 1.5 Rz / 0.4mm Ra |
| Cycle Time: | < 11 seconds |
Accu-Cut Diamond Microcutting Process which eliminated fine boring, created performance surface textures which solved engine noise issue.
Produce high quality connecting rods at a reduced CPU.
| Crank Bore | Pin Bore | |
| Bore Diameter: | 2.239" / 56.87mm | 1.120" / 28.45mm |
| Material: | C70 Forged Steel | LF Bronze |
| Stock Removal: | 0.003" / 0.076mm | 0.003" / 0.076mm |
| Surface Finish: | 4.0 Rz | 4.0 Rz |
| Roundness: | 0.0003" / 0.0076mm | 0.0004" / 0.01mm |
| Crank Bore | Pin Bore | |
| Bore Size Control: | > 2.0 Cpk | > 2.0 Cpk |
| Surface Finish: | < 2.0 Rz | < 1.0 Rz |
| Roundness: | < 0.00005" / 0.001mm | < 0.0001" / 0.0025mm |
| Cycle Time: | < 12 seconds | < 12 seconds |
Accu-Cut's process replaced the effects of fine boring!! Accu-Cut's Diamond Microcutting Process created performance surface textures for bearing retention to improve crush specification.
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