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Cast Iron Lapping Plate

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Cast iron lapping plates are made of high duty grey Cast Iron (C.I), they are heat treated to relieve internal stresses; and available in square, rectangular and round types; precision lapping plates are extensively used for lapping parts to extreme flatness in low volumes in laboratory, toolroom or maintenance workshops.

OEM or ODM service: we offer a wide range of services from standard cast iron surface plates to custom order as per request.

Calibration Certificate: EX-works inspection reports offered by our Quality Inspection Department are included with every surface plate, "Calibration Certificate" is available upon request for an additional charge.

Delivery Costs: calculated during the checkout process.

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Specification:

Cast iron lapping plates are ideal for lapping materials like nylon, plastics, and ceramics. These lapping surface plate feature a Waffle-Groove pattern that balances material removal and surface finish, suitable for conventional abrasive lapping. Their design allows for easy modification to enhance material removal, making them versatile for various lapping tasks.

Cast iron lapping plate features:

• Made of Grey cast Iron

• Offered in Square / Rectangular Type & Round Type

• Top surface provided with flat or suitable grooves

• Top surface offered duly lapping finishing and scrape finishing

• Handles is available upon request for an additional charge.

These features make HENGFENG Measuring Tools one of the professional cast iron lapping plates manufacturers in the industry.

Material: HT200-300 or customized

Specification: φ 300×80 up to Φ5000*400mm or customized

Working Surface: flat or with 3x3mm (2x2mm or custom) grooves at a pitch of 25-100 mm.

Hardness: HB160-240

Structure: ribbed (bone) structure with enough wall thickness

Surface Coating: working surface covered with antirust oil and unmachined areas covered with antirust paint

Heat-treated: available for stress relief, stability and wear resistance

Stands with Leveling Screws: available for corresponding sizes and supplied at extra cost, if required. Total height from floor to the top of the surface plate is approx. 750 to 800mm.

Handles: Handles provided for sizes up to φ 500×100 mm upon request for an additional charge.

Precision grade: 1-3

Packaging: anti-rust packing+ plywood box

Warranty: 1 year

Standard Sizes and Tolerance of Flatness:

Size(φ×H mm)	Flatness um
Size(φ×H mm)	GR “1”	GR “2”	GR “3”
φ300×80	6.5	13	26
φ500×100	7.5	15	30
φ800×150		17	34
φ1000×180		19	38
φ1200×200		20	40
φ1500×200		23	46
φ1800×220		26	52
φ2000×250		27	54
φ2500×300		32	64
φ3000×300		36	72
φ3500×350		40	80
φ4000×400		44	88
φ5000x400			105

*Other sizes can be manufactured as per requirement.