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Cast Iron Hand Lapping Plates

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Cast Iron Hand 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; Cast Iron Hand 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 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:

Key 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 one of the best Cast Iron Lapping Plates manufacturers in the industry.

Material: HT200-300 or customized

Specification: 200x200 up to 4000x8000mm 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: surface plates up to 500 x 500 mm provided with handles for lifting at extra cost, if request.

Precision grade: 1-3

Packaging: anti-rust packing+ plywood box

Warranty: 1 year

cast iron surface plate drawing.jpg

Standard Sizes and Tolerance of Flatness:

No.	SizeWidth*Length (mm)	Precision Grade
		GR “0”	GR “1”	GR “2”	GR “3”
		Flatness (μm)
1	200x200	3.5	7	14
2	300x200	4	8	15
3	300x300	4	8	15
4	300x400	4	8	16
5	400x400	4.5	8.5	17
6	400x500	4.5	9	18
7	400x600	5	10	19
8	500x500	5	10	19
9	500x600	5	10	19
10	500x800	5.5	11	21
11	600x800	5.5	11	22
12	600x900	6	11.5	23
13	1000x750	7	12.5	25	50
14	1000x1000	7	13.5	27	54
15	1000x1200		14	29	58
16	1000x1500		16	32	63
17	1000x2000		18.5	37	74
18	1500x2000		20	40	80
19	1500x2500		22.5	45	90
20	1500x3000		25	50	100
21	2000x2000		22	44	88
22	2000x3000		27	53	106
23	2000x4000		32	64	127
24	2000x5000		37	75	150
25	2000x6000		43	86	172
26	2000x7000		49	97	194
27	2000x8000		54.5	109	218
28	2500x3000		28.5	57	114
29	2500x4000		33	67	133
30	2500x5000		39	77	154
31	2500x6000			88	176
32	2500x7000			99	198
33	2500x8000			110	221
34	3000x3000			61	122
35	3000x4000			70	140
36	3000x5000			80	160
37	3000x6000			90.5	181
38	3000x7000			101	203
39	3000x8000			112.5	225
40	4000x4000			78	156
41	4000x5000			87	174
42	4000x6000			96.5	193
43	4000x7000			107	213.5
44	4000x8000			117	235

*Other sizes & combinations can be manufactured as per requirement.