Acra’s new 4V Heavy Duty Bed Type Vertical Boring & Milling Machine features the following:
Table and Saddle
- The table and saddle are made of high-quality cast iron which has been carefully stress relieved.
- Way surfaces are hand scraped and finished
Feed Box
- Table and saddle feed can be driven by power or manual operation and is easy to change speeds and to operate.
- Because of the large range of speeds, it is simple to go from low-speed heavy cutting to high-speed finishing cutting.
Backlash Eliminator
- Table Feed system is equipped with easy adjustable backlash eliminator to increase operating stability and cutting efficiency.
- Large supporting surface and narrow square guide ways provide stable and smooth sliding.
Accuracy of Table and Saddle
- Table and Saddle are made of high-quality cast iron, treated through stress relieving.
- The sliding surfaces are scrapped and finished.
- The upper, rear, and front reference surfaces are ground; T-slots are correctly machined. So that the flatness, parallelism and squareness all meet the requirements of operation and are convenient in setting up the work pieces.
Specifications
Capacity
- Table Travel X (Longitudinal): 47-1/4”
- Table Travel Y (Cross): 17-11/16”
- Vertical Spindle Head Travel (Vertical): 21-5/8”
- Vertical Spindle Nose to Tabletop: 3-15/16” ~ 25-5/8″
- Vertical Spindle Center to Column Front: 17-11/16”
Table
- Table Working Area: 74-13/16” x 17-11/16″
- T slot (Wide x No. x Pitch): 0.7” x 5 x 3-1/8”
- Tabletop to Floor: 33-1/2”
Spindle Head
- Spindle Nose: ISO R297 No. 50
- Vertical Spindle Speeds (12): 45-1,500 Infinitely Variable
- Z-Axis Feeds (Vertical Spindle): 0.002 ~ 0.008”/min
Feed/Rapid
- Rapid Traverse (Longitudinal & Cross): 113-3/8”/min
- Feed Rates (Longitudinal & Cross): 1-1/8” ~ 34-7/16″/min
- Change of Feeds: 12
Motors
- Vertical Spindle: AC 15 HP
- Feed: AC 2 HP – 4P
- Lubrication: AC 3W-4P
- Cutting fluid: AC 1/6 HP-2P
- Voltage: 220V AC~3 PH
Standard Equipment
- Coolant System
- Auto Lubrication System
- Draw Bar
- Leveling Blocks
- Automatic Table Feeds with Rapid Traverse
- Tools and Toolbox
- Hardened & Ground Box ways
One (1) Year MFG Parts Warranty.