Semi-Automatic Cutterhead Grinder

Newman Whitney not Weinig Rondamat G-716

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CAN SHARPEN MAX 406MM DIAMETER CUTTERS !!!

The G-716 Semi-automatic Cutterhead Grinder is used to sharpen 178mm to 406mm diameter eased edge, milled to pattern, and fingerjoint cutterheads. Worktable traversing is automatic and has adjustable stops. Cutterhead indexing is manual. Each knife is held against a positive stop while being ground !!!

No Index Plate To Change
No index plate to change when working with heads with different numbers of knives. The use of an index plate assumes that the knives and head separations are uniform throughout, which is often not the case. If the height of the knife is high or low, then the front face of the knife will vary from knife to knife making the task of grinding difficult. The one constant is the back face of the knife, therefore the use of an indexing stop against the back face will provide for accurate indexing regardless of the irregularities in the knives and head slots.

Head Indexing and Wheel Feed:
Manual

Minimum / Maximum Diameter Cutterhead:
7″ Min./16″Max.
178mm Min./ 406mm Max.

Worktable Feed:
Air / Oil

Travel (maximum):
Bdjdeq Dzi Tspfx Ag Iek
12″
305mm.

Adjustable Limits:
Proximity Switch

Speed:
Fully Adjustable

Index Method:
Manual index after each knife is ground.

Grinding Spindle:
1-1/2 HP Wash Down Duty TEFC Motor
3600 RPM, Dual ABEC 7 Precision Bearings, with Sealed Lubrication.
8″ (203mm)Diameter Grinding Wheel (9″ 229mm Diameter Max.)

Coolant System:
15 Gallon Tank with Casters, Sediment Tray
Full View Sight Glass, 5 GPM Pump (120VAC)
Wash Down Hose Included

Specifications
Grinds 7″ to 16″ diameter eased edge, milled to pattern, and finger joint heads
Automatic traversing worktable with adjustable travel limits
Manual indexing of knives against a positive stop with grinding position pneumatic brake allowing precision indexing without the need of an index plate
High precision 1-1/2 HP grinding spindle with sealed lubrication
Recirculating adjustable flow flooded coolant system with wash down hose
Fully enclosed grinding chamber with viewing windows and task light
Grinding wheel feed allows unattended operation.
New Proscale.