Hoffmann Machine Company

Hoffmann Dovetail Routing Machines: PU2-VH


PU2-H Benchtop Routing Machine

The Hoffmann PU2-VH dovetail routing machine is used for both vertical and horizontal routing operations. The machine is equipped with one high-speed router motor to rout one dovetail keyway either vertically or horizontally into the material.

Vertical machining:
The supplied 45 degree fence plate, which is guided in a keyway in the machine table, is used to accurately position the material on the table. The location of the dovetail slots for the Hoffmann keys is adjusted by simply moving this fence plate.
The machine is equipped with an electronic foot switch to start the routing process. Upon depressing of the switch, the routing sequence is initiated:

  • pneumatic clamps secure work piece on machine table
  • router head advances until the pre-set height position is reached
  • router head returns to base position
  • pneumatic clamps release work piece

The routing height is easily adjusted between 0 - 7".


Horizontal machining:
The router head is moved above the machine table by operating a switch on the front of the machine. The distance between the router bit and the table depends on the thickness of the material being processed and can be adjusted between 0 - 5".
Upon making the necessary adjustments, the routing sequence is again started by depressing the electronic foot switch.

  • pneumatic clamps secure work piece on machine table
  • router head advances either from the outside of the machine toward the middle or from the center of the machine toward the outside, until the pre-set return position is reached
  • router head returns to base position
  • pneumatic clamps release work piece


The horizontal routing stroke is easily adjusted between 0 – 9 1/2".


PU2-VH Operation


Flow control valves on all pneumatic cylinders allow the operator to adjust the vertical and horizontal feed rates independently, depending on the material being processed.

A cast-aluminum machine table provides a large work surface; the steel cabinet has a 4" diameter dust collection port on its backside for dust free operation.

All movements are controlled with electronic proximity switches as well as sensors on the pneumatic cylinders. An industrial quality PLC is located in a dust-proof electrical cabinet and controls all major machine functions.

The supplied router bits are solid tungsten carbide, made to exacting specifications. Depending on the routing depth and the material to be routed, the useable cutter life is approx. 8,000 strokes.
Every machine is shipped with a tool kit and set-up jig, which allows a router, bit change in only minutes. Diamond cutters are also available.

 

 

 
Technical Specifications
     
  Power: 220 volt, 60 Hz, 7.8 Amps., single phase
  Motors: 1,700 watt
  Motor Speed: 25,000 rpm
  Electronic Controls: Mitsubishi Industrial PLC unit
  Air Supply: 90 psi
  Collet sizes: 1/4"
  Horizontal Routing Stroke: 0 - 9 1/2" left and right hand side
  Distance router bit - table: 0 - 7”, adjustable
  Max. material height: 9 1/2”
  Table Size: 39 ½" wide x 16" deep
  Table Height: 36 ½”
  Overall Machine Size: 49 ½" height, 49" width, 34" depth
  Weight: 583 lbs.
  Key sizes: W-1, W-2, W-3 and W-4

Standard Features:
Hoffmann Dovetail Routing Machine, model PU2-VH, ready for operation with one W-2 carbide router bit installed, with standard 45 degree fence plate and square stop with air filter, regulator and lubricator installed, including toolkit and manual.
Machine Price : $20,655.00  
   
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