OUR EQUIPMENT
CNC Grinders
- 2 CNC Internal Grinders
- 5 CNC O.D. Grinders
- 1 CNC Cylindrical Grinder
- 12.0" Dia x 40.0" Length Capacity
- Dimensional Accuracy within ±.00005”
Okuma GA26W CNC Cylindrical Grinder
- 25” Distance Between Centers
- SBS Wheel Balancing
- 15-HP Spindle Motor
- 24.0” × 5.0” Wide Capable Grind Wheel with Constant Speed
- Rotary Disk Dresser
- Control Gaging Size Control
Okuma GI-20N Twin-Spindle Internal Grinder
- 10-HP High-Frequency Spindle Drive
- Glass Scales
- Air Chuck Capable
- Custom Wheel Profiling Capability
- Coolant Filtration System
Okuma GI-20N Internal Grinder
- Belt-Driven Spindle
- 10-HP Spindle Drive
- Glass Scales
- Air Chuck Capable
- Custom Wheel Profiling Capability
- Coolant Filtration System
Mitsubishi RC-32 Angle Head O.D. Grinder
- 20" Wheel
- Wheel-Speed Inverter
- 12.0" x 40.0" Capacity
- Lateral Location Device & Size Gaging
- Custom Wheel Profiling Capability
- Coolant Filtration System
Toyoda GL-4 O.D. Angle Head Grinder
- 12.0" x 40.0" Capacity
- Up to 4.700" Wide Wheel
- Lateral Location Device & Size Gaging
- Custom Wheel Profiling Capability
- Coolant Filtration System
Toyoda GL-4 O.D. Angle Head Grinder
- 12.0" x 20.0" Capacity
- Up to 4.700" Wide Wheel
- Lateral Location Device & Size Gaging
- Custom Wheel Profiling Capability
- Coolant Filtration System
Toyoda GL-3 High-Speed O.D. Angle Head Grinder
- 8.0" x 12.0" Capacity
- Lateral Location Device & Size Gaging
- Custom Wheel Profiling Capability
- Coolant Filtration System
Jones & Shipman Straight-Plunge Grinder
- 5.0" dia Diamond Roll Form Dressing Capability
- Constant Wheel Speed
- Custom Wheel Profiling Capability
- Glass Scales
- Coolant Filtration System
- Coolant Chiller
Manual Grinders
5 Landis O.D. Grinders
- 5.0" x 18.0" Capacity
1 Cincinnati Universal Grinder
- I.D. & O.D. Grinding
- 5.0" x 18.0" Capacity
1 Studer RHU450 Universal Grinder
- I.D. & O.D. Grinding
- 10.0" x 16.0" Capacity
Quality Assurance
- 3 Jones & Lamson Comparators
- Full Set of Manual Inspection Tools
Cowan works with a variety of materials including Aluminum, Steel, Copper, Brass, Bronze, Plastics, and more.
Aluminum Alloys
2011 • 2017 • 2024 • 2219 • 5052 • 6061 • 6063 • 6262 • 7050 • 7075 • K100 & More
Carbon Steel
1018 • 1025 • 1040 • 1045 • 1112 • 1117 • 1144 • 1215 • 12L14 Ledloy & More
Stainless Steel
13-8MO • 15-5PH • 17-4PH • 300/400 Series • Nitronic • AM-355 & More
Aircraft Alloys
4130 • 4140 • 4330 • 4340 • 4620 • 52100 • 8740 • 9310 • H-11 • Hy-Tuff • Nitriding & More
Super Alloys
A-286 • AM350/355 • Hastelloy • Haynes • Hy Mu • Incoloy • Inconel • Maraging • Monel • Nickel • Waspaloy & More
Electrical Steels
Invar • Kovar • 4750 & More
Titanium
6Al-4V • 6Al-6V-2Sn • 6Al-7Nb • 8Al-1Mo-1V • 10Al-2V-3Sn • CP 1, 2, 3 & 4 • Ti-1100 & More
Brass & Bronze
200/300 Series Brass • 400/500 Series Bronze • Ampco • Silicon & Manganese Bronze • Aluminum Bronze & More
Copper
100 Series OFE/OF/ETP/DHP Copper • Tellurium Copper • Half- and Full-Hard & More
Plastics
Acrylic • Delrin® • Polycarbonate • Polyethylene/UHMW • PEEK® • Nylon • Teflon® • Vespel® • Ultem® & More
Tool Steels
A2 • A6 • D2 • 01 • S5 • S7 • H13 • H21 • PM A11 • PM M4 & More
High Speed Steels
Acrylic • Delrin® • Polycarbonate • Polyethylene/UHMW • PEEK® • Nylon • Teflon® • Vespel® • Ultem® & More
Cowan provides outside processing as a value-added service for our customers.
Plating & Inspection
Hard Chrome Plating
Magnetic Inspection
Penetrant Inspection
We use only Nadcap-approved sources.
Other Processes
Surface Grinding
Lapping
Cowan Precision Grinding works closely with qualified local processors to expedite your grinding job.