Accu-Cut diamond tool and honing machines logo
Diamond Tool & Bore Sizing Systems

Seats

Accu-Cut’s diamond seat tools are engineered to ensure a tight seal for optimal part performance.
Valve Head
Valve Head

Valve Head

CPU = per unit

Objective: 

Reduce exhaust leakage rate

Bore Diameter: 2.00" / 50.8mm
Leakage Rate: < 450.0 USL
Surface Finish: 3.2 Rz
Roundness: < 0.0001" / 0.0025mm

Achievement:

Bore Size Control: > 2.0 Cpk
Leakage Rate: < 100.2 USL
Surface Finish: < 0.5 Rz
Roundness: < 0.00002" / 0.00050mm
Cycle Time: < 10 seconds

Accu-Cut's diamond microcutting process reduced the leakage rate by over ​450%.

Valve Head
Valve Head

Valve Head

CPU = per unit

Objective:​ 

Reduce intake leakage rate

Leakage Rate: 450.0 USL
Surface Finish: 32 Ra
4 Rt​
Roundness: < 0.0002" / 0.0050mm

Achievement:​

Leakage Rate: < 137.5 USL
Surface Finish: < 12 Ra / 0.3mm Ra
< 1.3 Rt
Roundness: < 0.00011" / 0.0028mm
Cycle Time: < 11 seconds

Accu-Cut's diamond microcutting process reduced the leakage rate by over 325%.

Engine Head
Engine Head

Engine Head

CPU = per unit

Objective:​

Surface Finish: 20 Ra / 0.5mm Ra
4 Rt​
Roundness: < 0.0002" / 0.0050mm

Achievement:​

Surface Finish: < 10 Ra / 0.25mm RA
< 2 Rt​
Roundness: < 0.000020" / 0.00050mm
Cycle Time: < 9 seconds
Fuel Injector Seat
Fuel Injector Seat

Fuel Injector Seat

CPU = per unit

Objective:​

Surface Finish: 12 Ra / 0.3mm Ra
4 Rt​
Roundness: < 0.0002" / 0.005mm

Achievement:​

Surface Finish: < 4 Ra / 0.1mm Ra
< 0.5 Rt​
Roundness: < 0.00003" / 0.00076mm
Cycle Time: < 9 seconds

Want to learn more about our Seats applications?

Technical Brochures

CNC turnkey systems

CNC Turnkey Systems

Accu-Cut turnkey systems combine intelligent control, engineered tooling, and automation options to create stable, repeatable processes designed for high-volume manufacturing.

Request More Information

Fill out the form below and the team at Accu-Cut will get back to you within 24-48 hours.