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Summary of Contents for Precision matthews PM-727M
- Page 1 Model PM-727M Precision milling machine 6-speed gear head 1 HP, 110V single phase motor DRO for precise downfeed measurement Square column design Heavy cast iron construction Welded steel stand & cabinet Total weight 485 lbs 701 Parkway View Drive Pittsburgh, PA 15205...
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Page 2: New Installation
This manual contains essential safety advice on the proper setup, operation, maintenance, and service of the PM-727M milling machine. Failure to read, understand and follow the manual may result in property damage or serious personal injury. -
Page 3: Section 1 Introduction
Section 1 INTRODUCTION MODEL 727M Milling Machine features and specifications General information The 727M is a robust "square column" mill designed for day-in, day-out use in the model shop. With an all-up weight of almost 500 lbs lbs it can handle far more than the typical small machine. For precise control of cutter depth there is a worm-driven quill downfeed with graduated dial and DRO, completely independent of headstock up/down position. - Page 4 Dimensions Weight, including welded stand 485 lb net, 560 lb shipping Size, including stand W 40 in. x D 26-1/2 in. x H 70 in. Stand footprint W 14-1/2 in. x D 21-1/4 in. Tray W 23-1/4 in. x D 26-1/4 in. Electrical Power requirement 110V, 60 Hz, 1 phase...
- Page 5 Everyday precautions This machine is designed for milling and drilling operations by experienced users familiar with metal-working hazards. Untrained or unsupervised operators risk serious injury. Wear ANSI-approved full-face or eye protection at all times when using the machine (everyday eyeglasses are not reliable protection against flying particles).
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Page 6: Section 2 Using The Mill
Section 2 USING THE MILL FRONT PANEL CONTROLS Connect the mill to a 110Vac outlet. The Power lamp, top center, should light indicating that the control circuit is energized. The E-stop button, bottom right, disconnects the control circuit completely, but it should be used only for its intended purpose –... -
Page 7: Moving The Table
INSTALLING AND REMOVING TOOLING The spindle and drawbar are designed for R-8 taper collets, drill chucks and other arbors with the standard 7/16"-20 internal thread. Two tools are required to install or remove R8 tooling: a 16 mm wrench for the drawbar nut, and the supplied C-wrench which engages in a slot at the bottom end of the spindle. - Page 8 vise, or otherwise clamped to the table, Figure 2-5. 1. Install an edge-finder in collet or chuck (a tip diameter of 0.2" is assumed). 2. Lock the X-axis by tightening both screws, Figure 2-3. 3. If the reference edge is to the back the spindle centerline, do nothing;...
- Page 9 QUILL DOWNFEED The quill is controlled in two different ways, coarse and fine. In the drilling mode, coarse feed , the mill functions like a standard drill press – pull the upper lever toward you to lower the quill. For milling operations the lever hub is disengaged, and the quill is controlled by the fine downfeed handwheel.
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