Grinding
Centerless Form Grinder: PG-9D-HD
The Glebar PG-9D-HD Centerless Form Grinder is a high-precision version of the Glebar PG-9B-HD. With its 10 in wheel, this form grinder is capable of multiple-part-per-cycle grinding, also offering precise slide positions and controllability. Glebar’s unique form grinding process can shape any spherical or cylindrical component into unlimited forms on a large variety of materials.
When automated, this machine’s productivity and performance are nearly impossible to surpass. Components ground on a Glebar Form Grinder are ubiquitous in households worldwide, including deodorant balls, golf balls, composite spindles, contact lens blanks, check valves, frac balls, fuses, insulators, and many more.
Product Details
Key Features
- Multiple parts per cycle can be generated in a single infeed motion.
- Can be fitted with a 15 HP main spindle motor for heavy grinding of materials such as G10 fiberglass to turn cylinders into balls.
- To shape the grinding wheel, the machine can become a work wheel dresser allowing the operator to manually dress the grinding wheel on the machine.
- The control software is entirely developed at Glebar and is fully customizable to address your application and process. An intuitive touch-screen interface allows for ease of use and flexibility.
- Precision collets ensure optimum concentricity control.
- The machine software interface was developed to allow an unskilled operator to run many high-precision machines simultaneously.
- Remote connectivity simplifies troubleshooting and maintenance.
- Feeding systems for rod or ball feeding from the top or side of the machine include semi-automated systems for testing and small production runs up to stainless-steel hoppers that can hold thousands of balls.
- Available as an enclosed version with safety interlocks.
- Cast iron frame standard; also available with granite machine bed for increased thermal insulation and reduce vibration.
Specs
- Grinding Diameter Capacity: Min: 0.002 in (0.05 mm) – Max: 4 in (100 mm)
- Roundness: 0.0002 in (5 μm)
- Work Wheel Diameter: 9 in (229 mm)
- Work Wheel Length: 10.125 in (257 mm)
- Work Wheel Power: 7.5 HP (5.6 kW), 10 HP (7.5 kW), or 15 HP (11 kW)
- Work Wheel RPM: 2,375
- Regulating Wheel Power: 2 HP (1.4 5kW)
- Regulating Wheel RPM: 10 – 400
- Machine Weight: 2,000 lb (908 kg)
- Grinding Length: Max 10 in (254 mm)
- Electrical requirements: 480 V, 3 PH, 60 Hz, 40 A
- Air requirements: 80-90 psi, 3 cfm
- Machine Footprint: 47 in x 39 in x 50 in (119 cm x 99 cm x 127 cm)
- Resolution: 0.1 μm (0.000004 in)
- Hydraulic Pump Motor Power: 2 HP (1.5 kW)