CONNECTING RODS

Forged Steel Diesel Rod

Objective: Produce high quality connecting rods at a reduced CPU.

                                        Crank Bore                Pin Bore

  • Bore Diameter:            2.370"                      0.8780"

  • Material:                      Forged Steel            LF Bronze

  • Stock Removal:           0.003"                      0.003"

  • Surface Finish:            40 Ra                       32 Ra

  • Roundness:                 < 0.0004"                 < 0.0003"

Achievement:

  • Bore Size Control:       > 2.0 Cpk                > 2.0 Cpk

  • Surface Finish:            < 20 Ra                   < 10 Ra

  • Roundness:                 < 0.0001"                < 0.00013"

  • Cycle Time:                 7 - 10 secs              7 - 10 secs

Accu-Cut Diamond Microcutting Process creates > 2.0 Cpk on Bend (0.00078") and Twist (0.0015"). Accu-Cut tool life reduced downtime and CPU by a minimum of 75%.

Objective: Reduce tool expense, reduce downtime, reduce scrap

  • Surface Finish:          0.80 Rk / 0.5 µm Ra

Achievement: 

  • Surface Finish:          < 0.38 Rk​ / 0.4 µm Ra

  • Bore Size Control:     > 3.13 Cpk

Accu-Cut tool life:

  • Crank Bore:               300,000 pcs.

  • Pin Bore:                   500,000 - 1,000,000 pcs.

  • Cycle Time:               < 10 seconds 

Powdered Metal Diesel Rod

Accu-Cut Diamond Microcutting Process creates > 2.0 Cpk on Bend (0.00078") and Twist (0.0015"). Accu-Cut tool life reduced downtime and CPU by a minimum of 75%.

Objective: Produce high quality connecting rods at a reduced CPU.

                                        Crank Bore                Pin Bore

  • Bore Diameter:            2.400"                      0.8273"

  • Material:                      Powdered Metal       Bronze

  • Stock Removal:           0.003"                      0.003"

  • Surface Finish:            40 Ra                       32 Ra

  • Roundness:                 < 0.0004"                 0.0003"

Achievement:

  • Bore Size Control:       > 2.0 Cpk                > 2.0 Cpk

  • Surface Finish:            < 20 Ra                   < 8 Ra

  • Roundness:                 < 0.0001"                < 0.00013"

  • Cycle Time:                 < 10 seconds          < 10 seconds

Powdered Metal Automotive Rod

Accu-Cut Diamond Microcutting Process creates > 2.0 Cpk on Bend (0.00078") and Twist (0.0015"). Accu-Cut tool life reduced downtime and CPU by a minimum of 75%.

Objective: Reduce excessive engine noise caused by pin bore.

  • Pin Bore Material:     High tensil strength powdered metal

  • Surface Finish:          0.5mm Ra print spec

Achievement:

  • Surface Finish:       < 0.2 Rk / < 1.5 Rz / 0.4mm Ra

  • Cycle Time:            < 11 seconds

Powdered Metal Automotive Rod

Accu-Cut Diamond Microcutting Process which eliminated fine boring, created performance surface textures which solved engine noise issue. 

Objective: Produce high quality connecting rods at a reduced CPU.

                                          Crank Bore               Pin Bore

  • Bore Diameter:            2.239"                       1.120"

  • Material:                      C70 Forged Steel      LF Bronze

  • Stock Removal:           0.003"                        0.003"

  • Surface Finish:            4.0 Rz                        4.0 Rz                      

  • Roundness:                 0.0003"                      0.0004"        

Achievement:

  • Bore Size Control:       > 2.0 Cpk                   > 2.0 Cpk
  • Surface Finish:            < 2.0 Rz                     < 1.0 Rz

  • Roundness:                 < 0.00005"                 < 0.0001"

  • Cycle Time:                 < 12 seconds             < 12 seconds

Forged Steel Automotive Rod

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. 

Connecting Rod Machines

Linamar BSM conrod.jpg
  • High volume

  • Automatic load/unload

  • Pregage and proper orientation

  • Engineered to your specifications

  • Easily retooled for new applications

  • Built to last 30+ years

  • Click HERE to learn more about Accu-Cut Machines

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