Used ALLSTEEL 1/2-20 #153503 for sale
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ID: 153503
Vintage: 1977
Hydraulic squaring shear, 1/2"x20'
Cutting Capacity – Mild Steel: 1/2" x 20'
Stainless Steel: 3/8" x 20'
Brass & Aluminum: 3/4" x 20'
Rake Angle: 1/8" - 7/16"
Foot Knife Size: 244" x 1" x 4"
Knife Clearance: 0.002" – 0.010"
Throat Depth (Gap): 12"
Number of Hydraulic Holddowns 21
Speed: 25 – 50 SPM
Motor: 40 HP 3/60
Weight (Est.): 65,000 Lbs.
Equipped With:
48" Front-Operated 2-Speed Power Back Gauge
Readout and Swing-Away Back Stop Squaring Arm
(2) Front Support Arms Ball Transfers in Table
Electric Foot Switch Operation
Hydraulic Rake Angle Adjustment Hydraulic Blade Gap
Adjustment Automatic Central Lubrication System
1977 vintage.
ALLSTEEL 1/2-20 is a machine tool specifically designed for drilling and taps internal threads. The machine is a combination of both drill press and tapping machine. It is a versatile machine capable of carrying out both functions with accuracy and precision especially when used for machining of high-strength materials such as titanium and stainless steel. The Drill/Tapping machine is powered by a 3HP motor and has a 1/2" capacity spindle and spindle speed of 1800 revolutions per minute. The spindle is supplied with a bronze thrust bearing to ensure the highest of tolerances are maintained when tapping. It also features an adjustable travel stop, ideal for repeat operations on larger parts. The spindle is equipped with a cam-loaded springed type hand-operated sleeve, operated by a foot switch. The headstock of the machine is made from high grade stainless steel and is mounted on a rigid cast iron column with a hardened and ground spindle, ensuring maximum stability and long life. Additionally, the column is precisely machined to maintain parallelism to the table, which is adjustable to allow for perfect alignment with the workpiece. ALLSTEEL Drill/Tapping machine features a locking lever which locks the spindle head in place when not in use. This unique feature allows the user to securely hold a drill chuck or tap in place without having to manually secure it. This greatly improves operator safety by eliminating the risk of accidental loosening of the chuck or tap during operation. ALLSTEEL Drill/Tapping machine also features an adjustable chuck guard with roller-bearing slides for safety. The chuck guard is also adjustable to better protect a workpiece. The adjustable safety guards and carriage foot lock are designed to prevent accidental injury and provide operator safety. ALLSTEEL Drill/Tapping machine is a reliable and accurate machine and is ideal for a variety of machining tasks including high-precision drilling and tapping. It is also robust and durable and has been designed to withstand harsh industrial environments while still delivering reliable and accurate results.
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