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| Routers - Northtechs Overarm Router - Northtech NT-750-73MT Router - W W Thayer Company
Routers - Northtech NT-750-73MT Overarm Router
NT-750-73MT: High Performace Pin Router, 10HP, 3 Phase, 10,000 or 20,000 RPM, 3-5/8" spl travel, 1/4" - 5/8" collets, 29-1/2" throat, 0 - 45 degree tilt of table, table(36 x 40), solid cast iron construction, high precision bearings, 6 position preset turret stops, high production capability.
Standard Equipment:
- Collect - Double taper type, 4 pieces, each size one - 1/4" 3/8", 1/2", 5/8". Metric sizes available 6, 9, 12mm.
- Guide Pins - 3 pieces, each size one - 1/4", 3/8", 1/2".
- 7.5HP Spindle Motor with magnetic switch.
- Dust Clean Gun
- Brush Ring
- Fence
- Dust Hood - 3" diameter outlet
- Grease: One bottle spread, recommended grade SUN-742EP.
Standard Features:
- Precision Constructed Spindle Assembly - The massive spindle, which is ground and balanced, is mounted on super precision(GNP4 grade) ball bearings to assure high performace routing year after year. Close fit tolerance and carefully assembly to minimize thermal expansion, almost without heat generated, quiet, stable running in high speed routing.
- 3-Position Depth Stops - A square turret built inside the head which gives 3 depths spindle travel control, stoppers may be adjustable. The knured knob under head allows operator select depth conveniently
- Spindle Travel - Travel speed adjustment is made from controller on air cylinder. Maximum travel 3-3/4". The spindle downfeed is driven by air cylinder, operated with foot switch. Hydraulical controlled travel end speed provides smoothly feed against the work.
- Lubrication - Spindle assembly fitted with grease nipples for spindle bearing lubrication. Spindle stroke way is automatic lubricated, eliminate worry of failure lubrication.
- Rigid Table - The massive table is scientifically ribbed, precision ground, and perfect squareness to spindle. Rests on heavy trunnions permit 45 degree maximum tilt. Table surface slotted for holding guide fence accurately.
- Drive Belt - Top quality belt assures long service life. Belt tension is made with handwheel through a rack and gear mechanism giving positive belt tension and correct belt track.
| Machine Specifications |
| Chuck to table top maximum |
11"(280mm) |
| Throat clearance |
29-1/2" (750mm) |
| Spindle speeds (2 speeds) |
10,000 / 20,000 RPM |
| Spindle travel |
3-3/4" (95mm) |
| Depth stops |
3 Position turret stops, adjustable |
| Table travel |
7-1/2" (190mm) |
| Table surface area |
36" x 40" (915 x 1016mm) |
| Table tilt |
Front downward to 45degrees |
| Micrometric table raise |
3/64"(1mm) per revolution of handwheel |
| Collet sizes |
1/4" 3/8" 1/2" 5/8" |
| Spindle drive motor |
7.5HP |
| Belt size |
35 x 2330mm |
| Net weight |
720kgs (1590 lbs) |
| Gross weight |
900kgs (1990 lbs) |
| Packing dimensions |
66" x 44" x 72" (L x W x H) |
Northtech NT-750-73MT Overarm Pin Router Literature 
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