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W-108, S-Block, MIDC , Bhosari ,
Pune - 411 206, Maharashtra ,
India
Tel: +9120 271 23829 / 27127256
Fax: +9120 271 25378
Mobile: +98900 35200
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1. |
Rolls For Multi Start Jobs. |
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2. |
Infeed Rolls. |
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3. |
Annular Through Feed Rolls ( with or without Lead - In) |
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4. |
Helitical Through Feed Rolls (With Lead In & Run Off) |
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Rolls for Fette Heads/ Winter Heads/Wagner Heads |
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6. |
Rolls For Other Tangential Heads |
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7. |
Rolls For Making Oil Grooves. |
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VARIOUS THREAD PROFILES MANUFACTURED |
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| THREAD PROFILE |
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ANGLE |
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| Metric |
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60 |
| British Standard Withworth |
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55 |
| British Standard Fine (BSF) |
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55 |
| British Association (BA) |
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47.5 |
| American Standard ACME |
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29 |
| American Standard Butttress |
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as per customer Requirement |
| Unified (UNC/ UNF / UNEF ) |
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60 |
| National Pipe Taper (NPT) |
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60 |
| National Pipe Straight (NPS) |
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60 |
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| STEELS USED IN THE MANUFACTUREOF THREAD ROLLS |
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| Steel |
AISI D2
( Die Steel) |
AISI M2
(Hi SpeedSteel) |
AISI M35
(H.S.S.-5 % Cobolt) |
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Hardness Of
Thread Roll |
59 - 61
Hrc |
61 - 63
Hrc
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62 -64
Hrc |
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| Keyway (C11) |
| Bore Diameter d (H7) |
Width F |
Depth d1 |
Width of Thread Roll (W) |
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| 40 |
12 |
4 |
From
30 mm
to
180 mm |
| 54 |
12 |
4 |
| 63 |
12 |
4 |
| 69.85 |
12.7 |
5 |
| 80 |
16 |
5 |
| 100 |
16 |
5 |
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| Type of Machine |
Max. Dia. of Thread
Roll in mm. |
Recomended Max.
Width of Roll in mm. |
| Praga 511 |
100 |
50 |
| WMW 8 ton |
125 |
80 |
| Baco Smith |
130 |
80 |
| Praga 512 |
170 |
130 |
| MTR - 15 170 |
130 |
130 |
| WMW 12.5 Ton |
185 |
150 |
| Praga 513 |
200 |
150 |
| Praga 514 |
230 |
150 |
| WMW 25 Ton |
230 |
180 |
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