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Leland-Gifford
Center Lapping Machines
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Center
Lapping Machines from Leland-Gifford improve accuracy in completed parts by
conditioning center holes in hardened work pieces. Plus, center lapping is a
quick and easy operation.
Two machine sizes
available to accommodate work piece lengths up to 60".
Improves ability to hold close tolerance by providing smooth, highly
polished finish to female hole center and removing heat treatment scale
Rugged construction for long life, dependable operation
60° diamond dresser (standard) mounted at the left of the spindle housing
See
specifications below
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| Specifications |
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| Workpiece length, max. |
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| model 274 |
914 mm (36") |
| model 275 |
1524 mm (60") |
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| Workpiece Diameter, max. |
254 mm (10") |
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| Center Diameter, max. |
23.8 mm (15/16") |
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|
| Stone Diameter, max. |
25.4 mm (1") |
|
|
| Column to centerline of Spindle |
133.3 mm (5 1/4") |
|
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| Lapping Stroke max. |
38.1 mm (1 1/2") |
|
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| Dresser Stroke, max. |
31.7 mm (1 1/4" |
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| Vertical Adjustment of Dresser |
38.1 mm (1 1/2") |
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| Dresser Attachment |
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| Standard, adjustable angle |
60º - 120º |
| Standard, fixed diameter |
1" max. |
| Optional, adjustable angle |
60º - 120º |
| Optional, adjustable diameter |
0" - 5" |
| Tail Stock Center |
#2 Morse |
|
|
| Spindle Speeds |
665, 1280, 2300, 4300 rpm |
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|
| Drive Motor |
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| Standard |
1/2hp, 1800 rpm AC |
| Optional |
3/4hp, var. speed DC |
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| Floor Space Req,d |
533 x 584 mm (21" x 23" |
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| Overall Height |
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| Model 274 |
1702 mm (67 3/8") |
| Model 275 |
2312 mm (91 3/8" |
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| Net Weight |
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| Model 274 |
204 kg (450 lb.) |
| Model 275 |
227 kg (500lb.) |
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