CAST IRON PRISMATIC/TRIANGULAR Straight Edge
 |
Cast Iron Prismatic or Triangular Straight Edges are used for trueing, spotting and reconditioning of dovetail guide-ways of Machine Tools, Slide and similar work pieces.
SALIENT FEATURES :- Made from close grained Cast Iron Castings conforming to Grade FG-220 of IS-210. Castings duly stress relieved.
- Provided with suitable M.S. handles at both the ends.
- Offered in two Grades of accuracies as under:
- Grade-1 : Having atleast 25 bearing spots in 25 x 25 mm area.
- Maximum error in specified Angle between working surfaces being within ±5'.
- Grade-2 : Having atleast 20 bearing spots in 25 x 25 mm area. Maximum error in specified Angle between working surfaces being within ±10'.
- Offered various sizes with various working Angles between working faces as shown in the table:
|
Length
|
Working Angles (in degree) & corresponding width of working faces (mm)
|
|||||
|
(mm)
|
30º
|
45º
|
50º
|
55º
|
60º
|
|
|
250
|
50
|
50
|
50
|
45
|
45
|
|
|
300
|
50
|
50
|
50
|
45
|
45
|
|
|
500
|
70
|
70
|
70
|
60
|
60
|
|
|
600
|
70
|
70
|
70
|
60
|
60
|
|
|
750
|
90
|
90
|
90
|
80
|
80
|
|
|
1000
|
110
|
110
|
110
|
100
|
100
|
|
|
1250
|
130
|
130
|
130
|
110
|
110
|
|
|
1500
|
160
|
160
|
160
|
130
|
130
|
|
|
2000
|
200
|
200
|
200
|
160
|
160
|
|
- Other sizes on request