GMT CAST-IRON BOX ANGLE PLATE

GMT is one of the leading manufacturers of CI Box Angle Plates in India. GMT Cast Iron Box Angle Plates conform to IS 6232: 1971. They are available in two grades, Grade-I and Grade -II, in different sizes to meet a wide range of requirements.

GMT Box Angle Plates are made of close-grained cast iron to IS 210, Grade 20 and hardness is guaranteed to be above 180-BHN. They are artificially seasoned as recommended in IS 6232:1971. Grade-I plates are very carefully hand scraped on all the working surfaces to accuracies conforming to Grade-I limits as per IS 6232: 1971. Grade-II plates are finish machined on all working surfaces to accuracies conforming to Grade-II limits as per IS 6232: 1971.

GMT Box Angle Plates come with a suitable number of T-Slots on working surfaces to facilitate clamping. T-Slot dimensions conform to IS 2013:1962.

BOX ANGLE – MATCHED PAIRS

Also, matching pairs of Box Angle Plates are available. The tolerance on dimensions L, B & H between the two matched units are.

Matched Pairs Grade-I 0.03 mm.

Matched Pairs Grade-II 0.08 mm.

APPLICATIONS

Cast Iron Box Angle Plates find application in marking, aligning, and checking parts or to position and clamp components on machine tools. The material used is highly resistant to wear, stabilized by slow cooling of the casts to eliminate internal tensions.

PRECISION CAST IRON BOX ANGLE PLATES – SPECIFICATIONS

Deviation expressed in “Micrometers” (0.001mm)

DIMENSIONS GRADE FLATNESS SQUARENESS PARALLELISM
(L x B x H in mm) working faces adjacent faces over H opposite working faces
750 x 450 x 600 I 10 20 23
II 50 100 113
450x300x350 I 10 18 20
II 50 100 113
350x200x250 I 8 18 20
II 38 75 88
250x150x175 I 8 15 18
II 38 75 88

 

SPECIAL PLATES

To meet special requirements, we offer sizes 950 x 600 x 600 mm, 1060 x 755 x 500 mm & 1200 x 755 x 500 mm. Details will be provided on request.

In addition, we offer precision-matched angle blocks suitable to provide a convenient means for mounting and clamping work for boring and milling operations.

Finally, please visit us at https://gmtmachinetools.blogspot.in – a new blog dedicated to all GMT customers…interact with our technical experts.