High-Density Special T-Slotted Floor Plates Cast Iron Bed Plates

Brand Name : OEM

Certification : CO, FORM-E

Place of Origin : China

MOQ : 1

Payment Terms : Western Union, T/T

Supply Ability : 10/monthd

Delivery Time : 20days

Packaging Details : wooden

Price : Negotiable

Material : HT250

Name : High-Density Special T-Slotted Floor Plates Cast Iron Bed Plates

Type : Hollow type

Flatness : 2 grade

size : 5000 x 2700 mm

surface finish : machining finish

Loading bearing : 30 tons

T slot size : 22 MM

T slot quantity : 18

Height : 350 mm

weight : 13 tons

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Cast iron bed plates in special or intermediate sizes can be provided. The distance between T-slots in standard plates is usually 150, 200, 250 or 300 mm. The distances between clamping options and the T-slots can be according to custom specification to suit customer requirements.

Made generally as per JB/T7974-1999
Made from close grained plain cast iron conforming to Grade FG:220 of IS: 210 (equivalent to GG20/ FT20 / 30-A). Higher grades also offered on request.
Castings stress relieved to relieve internal stresses.
Sizes upto 2000 x 1000 mm offered in four Grades of flatness accuracies viz Grades 0, 1, 2 & 3 as stated in table.
Hand scraped surface finish for Grades 0, 1 and 2 flatness accuracies & smooth machined / rough ground / scraped surface finish for Grade 3 flatness accuracies.
Rigidity requirements as per IS: 2285 ensured in case of Surface Plates of Grades 0, 1 and 2 only.
Flatness determination done by grid method as per clause 4.3.1 of JB/T7974-1999 China standards on Engineering Metrology "Methods of Testing Straightness, Flatness and Perpendicularity".
Flatness accuracy checked by Electronic level. Computer print out of the contour of top working surface is furnished.
Plates up to 630 x 630 mm provided with handles for lifting. Larger plates provided with cored holes in peripheral ribbing for lifting by mechanical means.
Column type C. I. Floor stands or M.S. Fabricated stands with leveling screws supplied at extra charge, if required.
Special features like grid slots for location, tapped holes and T-slots can be provided on working surface, if required.
Cast iron bed plates Precision: According to the national standards measurement examination regulations execution,

respectively is 1,2,3, fine polish.

Specification (mm)	Flatness tolerance (um)
	Grade1	Grade2	Grade 3	Finihs plane
400x400	12	24
600x400	14	28
800x500	16	32	80
900x600	16	32	80
1000x750	18	36	90
1000x1000	20	39	96
1500x1000	25	48	120
2000x1000	26	52	129
2000x1500		56	140
2000x2000		60	152	230
2500x1500		68	168	248
3000x1000			174	248
3000x2000			184	275
3000x3000			210	300
4000x1000			210	300
4000x2000			219	310
4000x3000			240	360
5000x2000			255	375
5000x3000			287	420
6000x2000			293	430
6000x3000			308	460
8000x2000			370	520
8000x3000			382	570

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