Description
Jet 690139 Description
Constructed using the Meehanite® casting process, JET Variable Speed Milling Machines provide consistent and reliable operation. Precision bored and honed milling heads ensure quality cuts, and the three-stage power downfeed with automatic stop makes the JET Variable Speed Milling Machines easy to use. Available in single or three phase power configurations, the JET JTM-4VS Series mills are backed by the industry leading two year full service and parts warranty
Jet 690139 Features
- Meehanite Castings
- Precision bored and honed milling head
- Large diameter quill is chromed
- High precision Class 7 spindle bearings
- Chrome plated motor shaft with lower bearing support
- Spindle head is internally cooled
- Heavy duty splined motor drive
- One piece quill pinion and shaft
- Three stage power downfeed with automatic stop
- Heavy duty spindle brake
Jet 690139 Specifications
| Spindle Travel (In.) | 5 |
| Table Cross Travel (In.) | 12 |
| T-Slot Centers (In.) | 2-1/2 |
| Distance Spindle to Column (Min.) (In.) | 4-1/2 |
| Quill Down Feed Rates (IPR) | .0015 - .003 - .006 |
| Work Table Weight Capacity (Lbs.) | 660 |
| Quill Diameter (In.) | 3-3/8 |
| Collet Capacity | 1/8 - 7/8 |
| Overall Dimensions (L x W x H) (In.) | 66 x 63 x 85 |
| Number of Spindle Speeds | Variable |
| Range of Spindle Speeds (RPM) | 60 - 4,200 |
| Head Movement (Deg.) | 90° R & L, 45° F & B |
| Number of Axis | 3 (Quill) |
| Weight (Lbs.) | 2,420 |
| Motor (HP) | 3 HP, 230/460V, 3Ph |
| Style (Type) | Variable Speed R8 |
| Table Size (L x W) (In.) | 9 x 49 |
| Distance Spindle to Column (Max.) (In.) | 19 |
| T-Slots Number and Size (In.) | 3 and 5/8 |
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