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core Drill Machines for Granite or Concrete drilling

Granite Core Drill by Johnson Machine  Phone 706-283-5750

Core Drill Machines by Johnson Machine are heavy duty electric core drill machines used primarily for granite core drilling, but can be used for any core drill operation. Our special diamond coring machines are constructed of heavy structural steel, and the frame is welded to insure maximum stability and rigidity. Complete water and hydraulic systems are built into the core drill machine and need only be connected to the source. Each core drilling machine is self-contained with motors and controls wired in ready to operate from customer’s fused disconnect. The core drilling operations may be controlled as desired by the operator. All electrical and hydraulics are located for operators convenience with built in controls. Variable pressure assures fast, economical, and clean operation.
Click Photo for more info.

Specifications:
1.Base constructed of (6) 6” WF Beams welded together.
2.Post constructed of 3/8” x 8” x 8” square tube.
3.Post slide housing constructed of ˝” x 12” x 12” square tube.
4.Spindle arm constructed of 10” channel and ˝” plate steel.
5.Spindle shaft is 1 15/16” with water flow through center.
6.Spindle bearing is 1 15/16”.
7.Spindle motor is 15 HP – 1700 RPM with variable speed A.C. inverter.
8.48” Hydraulic cylinder for raise and lower.
9.Vickers hydraulic pump with push button raise and lower.
10.Selector switch and flow control valve for adjustable slow down feed.
11.Height of machine 10’.
12.Base of machine 36” x 6’
13.Limit switch to stop depth of cut.

·The special diamond coring machine is constructed of heavy structural steel.  The frame is welded to insure maximum stability and rigidity.
·Complete water and hydraulic systems are built into the machine and need only be connected to the source.
·Each machine is self-contained with motors and controls wired in ready to operate from customer’s fused disconnect.
·The machine may be controlled as desired by the operator. Amp meter reads out to assure regulated pressure on material.
 All electrical and hydraulics are located for operators convenience with built in controls. Variable pressure assures fast, economical, and clean operation.

Special Features:
·48” of raise and lower
·A.C. variable speed on spindle.
·Cart system features double stack carts that allow x and y travel for block positioning.
·Carts also have a manual lock to prevent movement during cut.
·42” of x travel on cart # 1 (variable speed)
·42” of y travel on cart # 2 (variable speed)

Call for Price

                 Plus applicable sales tax

Terms: 50% down
           45% completion
           5% 30 days after installation


Johnson Machine core drill machines for granite monuments, diamond core drills for granite memorial fabrication and core drill machines for concrete coring are the best quality available. Sometimes called diamond drills, rotary drills, stone core cutters, granite drills, or concrete core drills, these machines will last for years, making your core drilling investment pay for itself over and over again. These core drill machines are not light weight portable core drills, but are heavy duty core drilling machines intended for high volume, year in and year out granite and stone production.

 

 

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