For efficient, high-volume knife sharpening operations, PRIMEdge HGCU Grinders are used to thin blades prior to edging and honing. 4” (102 mm) or 6” (152 mm) cup stones provide the unique advantage of maintaining the same stone bevel and diameter as the stones wear, thereby assuring a consistent grind bevel width. When combined with our Honer/Edger (HE7) as part of a centralized knife sharpening system, productivity increases and ergonomic problems decrease.
The ergonomic design of the Hollow Grinder provides operator comfort and safety. An adjustable, pivoting lamp can be oriented in different positions for excellent visibility while grinding blades. The sturdy stainless steel body with fiberglass cover provides long life and easy maintenance access.
• Ideal for “High-Volume” knife users
• Available with Ø4” (102 mm) or Ø6” (152 mm) cup stones
• Thins blades for edging up to 16” (406 mm) long
• Recirculating liquid coolant system provides burn-free and dust-free operation
• Unique cup wheel sharpening stone design ensures consistent grind bevel widths
• Integrated, stone dressing system maintains roundness of the cup stones for perfect, consistent, sharp edges
• Built-in GO-NO GO gauge determines at a glance if the blade is thinned enough for edging and honing
• Stone grits available in 46, 54, 60, 100 and 120
• USDA & CE certified
| Model | Voltage | Phase | HP | kW |
| HG4CU | 220V | 1 | .50(x2) | .4(x2) |
| 230/460 or 380V | 3 | .50(x2) | .4(x2) | |
| HG6CU | 220 V | 1 | .75(x2) | .6(x2) |
| 230/460 or 380V | 3 | .75(x2) | .6(x2) |
Hollow Grinding Wheels
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All original equipment manufacturer's names are listed with an asterisk (*) to indicate that these items are manufactured by PRIMEdge, Inc. and not the original equipment manufacturer's. The names of the original equipment manufacturers referred to on this site are all registered trademarks of their respective companies.
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HGCU Hollow Grinders