SHARP LMV-42
SHARP LMV-42
The Sharp LMV-42 has many unique features compared with most of the other similar machines on the market.
The quill is CNC ground to a mirror finish and chromed to fit the housing resulting in close to jig bore accuracy for quill downfeed. Tapered gibs installed on the ways allows easy adjustment for long term usage. The bottom of the saddle, instead of the top of the knee ways, which rides on the knee, is hand scraped for better oil retention and prevent dirt and chips from embedded in the knee ways.
Features and Benefits
- Backlash Eliminator By Double Nut Design replaces the older design that squeezes a split nut to get rid of backlash. Sharp is the first one to use a double nut design that keeps the feed screw in contact with a pair of bronze nuts. Using a custom tool supplied with the mill, the feed nuts are adjusted to control backlash and held tight with a retaining nut and locking ring.
- The New Patented Knuckled-Head Design prevents the head from slipping. The Sharp mills have a knuckle which uses 6 bolts, 3 each side, fitted into circular T-slots with matching nuts securing them from the outside. It locks the head in place for better accuracy and performance than the old design using only 3 bolts to squeeze the casting to hold the head without the T-slots. (Patent No. 5044054)
- Roller Bearing Support at the bottom of the motor shaft ensures proper loading, support and alignment of the spindle. It also prevents the distortion of the belts due to tension from long years of milling operation
- Easy Access Lubricating Shaft is designed with an oil channel in the center that is fed by a grease fitting at the lower end for longer motor shaft life. (Patent No. 2848)
- Thrust Bearings mounted at the end of the table and saddle pre-load the feed screw, eliminating end play for precisely controlled lateral movements.
Technical Data
CAPACITY
- Table Size - 9" x 42" (230 mm x 1066 mm)
- T-Slots(No., Size, Pitch) - 3, 5/8, 2.5" (3, 16, 63.5 mm)
- X-axis Table Travel Longitudinal - 30" (762 mm)
- Y-axis Table Travel Cross - 12" (304 mm)
- Z-axis Quill Travel Vertical - 5" (127 mm)
- Ram Travel - 12" (304.8 mm)
- Knee Travel: Vertical - 16" (406 mm)
- Spindle Center to Column - 6.75"~18.5" (171 mm~470 mm)
- Spindle Nose to Table Top - 2.125"~18" (3.1 mm~457 mm)
HEAD, SPINDLE
- Spindle Nose Taper - R-8
- Spindle Variable Speed Range - 60~4500 rpm
- Spindle Motor (220V/440V) - 3 HP (2.25 kW)
- Quill Feed (Inch/Min)(3 Speeds) - 0.0015", 0.003", 0.006" (0.038 mm, 0.076 mm, 0.152 mm)
- Quill Diameter - 3.375" (85.7 mm)
- Head Swivel Angle - 360 degrees
- Head Tilt Angle (L/R) - 45 degrees
- Head Tilt Angle (Up/Down) - 45 degrees
GENERAL
- Floor Area (W x D x H) - 7' x 6.6' x 6.7' (2.1 M x 2 M x 2M)
- Approximate Weight - 2,400 lbs (1,090 kg)
- Power Consumption (220V) - 3 kVA / 8 amps
- Power Consumption (440V) - 3 kVA / 4 amps
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