Cast Iron Box Angle Plates
JASH Cast Iron Box Angle Plates serve as a versatile tool for layout machine set-ups, tooling and inspection. They can also be used as right angles and squares. A job can be fixed on one of its faces and rotated in five positions without the need for repositioning or disturbing accuracy. They can easily be made into special fixtures by providing tenons, pins or stops. Matched pairs can be used as Parallels and Height Blocks.
- Made generally as per IS : 6232
- Made from close grained plain cast iron having hardness within 170 – 220 HB.
- Castings stress relieved .
- Hand scraped surface finish for Grade 1 accuracy.
- Hand scraped / ground finish for Grade 2 accuracy.
- Machined T-slots on one face and cored as – cast slots on four opposite faces provided to facilitate clamping.
- Can be offered in matched pairs upon request, at extra cost.
- Precision Box Angle Plates conforming to IS : 6985 having tolerances approximately half of those mentioned in table made upon request.
| Sizes |
T-Slot details |
Grade of Accuracy |
Flatness
of working faces |
Squareness of working faces |
Parallelism of opposite faces |
||
| L x B x H | Size | No. | Pitch | ||||
|
mm |
mm |
mm |
Microns | Microns | Microns | ||
| 125 x 75 x 100 | 12 | 2 | 50 | 1 | 5 | 10 | 13 |
| 2 | 25 | 50 | 63 | ||||
| 175 x 100 x 125 | 12 | 3 | 63 | 1 | 5 | 13 | 15 |
| 2 | 25 | 50 | 63 | ||||
| 250
x 150 x 1
|
12 | 4 | 63 | 1 | 8 | 15 | 12 |
| 2 | 38 | 75 | 88 | ||||
| 350 x 200 x 250 | 14 | 4 | 80 | 1 | 8 | 18 | 20 |
| 2 | 38 | 75 | 28 | ||||
| 450 x 300 x 350 | 14 | 4 | 100 | 1 | 10 | 18 | 20 |
| 2 | 50 | 100 | 113 | ||||
| 600 x 400 x 450 | 18 | 5 | 100 | 1 | 10 | 20 | 23 |
| 2 | 50 | 100 | 113 | ||||