Sterling BP1018, BP1012 Specifications for Re-sharpening Rotor Knives, Bed Knife Specifications

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Figure 17: Bed Knife Specifications

Model	X	Y	Grind these surfaces only
BP1012	2.433”	2.748”		20°
	61.8 mm	69.8 mm		20°
	61.8 mm	69.8 mm
BP1018	2.402”	2.717”
	61.0 mm	69.0 mm
		0.158”	Minimum Length (X)	0.158”
		(4 MM)	New Knife Length (Y)	(4 MM)
			New Knife Length (Y)

6-8 Specifications for Re-sharpening Rotor Knives

All the rotor knives must be re-sharpened in sets. Each knife within a set must have a tolerance within 0.003” (0.05 mm) for the total height, heel to cutting edge. Greater variations within a set will result in improper knife gap settings and other operational problems. See Figure 18 for rotor knife specifications.

Knives below the minimum dimension specified must not be used. Using knives below the specified minimum can cause interference resulting in serious damage to the rotor and cutting chamber.

When using a surface grinder to re-sharpen the rotor or bed knives, it is not harmful to allow a few small nicks to remain on the cutting edge. Grinding the knife so that the cutting edge is free from all nicks can be wasteful.

Figure 18: Rotor Knife Specifications

30°

.382” ± .003

(9.5 mm ± .05)

Minimum Length 2.305” (58.5 mm)

New Knife Length 2.480” (63 mm)

20°

.063” (1.6 mm)

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Contents BP1000 Series Granulators Page Sterling Warranty Information Sterling Warranty Information Table of Contents Start Up and Operation Table of Figures Viii Safety Considerations Safety GuidelinesPage Guidelines for Moving the Granulator Safety ProceduresClearing a Jammed Cutting Chamber Safety Features Safety Features Fitted On the GranulatorSafety Switch Opening the GranulatorWear protective gloves when exposed to knives Sound EnclosureModel Motor Power Noise Test Method General Information Using This ManualIntroduction Safety Symbols Used in This Manual DescriptionMain Components of Standard Granulators Optional EquipmentModel Shipping Information Unpacking and InspectionEvent of Shipping Damage If the Shipment is Not CompleteReturns If the Shipment is Not CorrectUncrating Your Granulator Especially the Hopper Lifting InstallationPositioning the Granulator Electrical Connection Inserting the BinStart-Up Checks Checking the Cutting ChamberChecking Rotation Direction Removing the Screw KnobTest the Interlock Switches Checking Knife PositionChecking the Knife Gap Pre-Operational Checklist Start Up and OperationOperation Never push material into the hopper with handsMaintenance General RecommendationsDrive Belt Tension Monthly Maintenance OperationsProper Belt Tension Removal and Replacement of the Screen Belt ReplacementInspection and Adjustment of Knives Removing the ScreenPage Removing and Replacing Bed Knives Inspection of KnivesRemoval and Replacement of Rotating Blades Specifications for Re-sharpening Bed Knives Specifications for Re-sharpening Rotor Knives Bed Knife Specifications7Troubleshooting General ProblemsProblem Possible Causes Possible Remedies Electrical Problems Recommended Spare Parts List Spare PartsCutting Chamber Vertical Cross Section Cutting Chamber Longitudal Cross Section Cutting Chamber Front View Cutting Chamber Rear View Typical Wiring Diagram Contact Information Parts DepartmentService Notes Warranty