PRECISION MATTHEWS

PM-835S VERTICAL KNEE TYPE PRECISION MILLING MACHINE

 INCLUDES 3 AXIS DRO INSTALLED

FREE SHIPPING in the 48 US States! (This item is too heavy for liftgate, so must be unloaded by the buyer with a forklift or similar at the delivery location)

This machine uses 240V Single Phase Power! 

(3 Phase option is available in our other listings)

Model PM-835S Precision Vertical Knee Type Milling Machines

Typical Users:

• Industrial users looking for a good quality, full featured, smaller vertical knee type milling machine, built for
  industrial use, with a smaller size to save space, and a lower price in mind
• High end gunsmiths looking for a smaller knee type milling machine, who wish to maintain the quality and features of a full sized knee mill, but also want to save on space
• Users who appreciate a full featured knee type milling machine with the space and cost saving
  characteristics this offers
• Any other users who can appreciate a good quality machine with full features and no shortcuts, in a
  smaller space-saving size, at a very reasonable price for the level of quality that you are purchasing

New for 2023, Optional DRO is now our PM LCD DRO as shown below:

Main High Quality Features:

• High Grade HT250 Castings
• Head is made in Taiwan, with the body made in China, allowing for a higher quality machine, at a VERY reasonable price
• Design is exclusive to us. You will not find another machine that stacks up in features, and price
• FULL FEATURED milling head. Spindle down feed in 3 steps, (.0015, .003, .008 IPR), 3-3/8″ diameter quill.
• Same head as used on our larger knee mills, with the cost and space savings of a smaller machine
• 5″ Quill Travel
• Head Swivels Left and Right, AND Tilts Front To Back 10 (approx +/-5) degrees to set spindle to table tram, only machine in this size class with this feature – Allows tramming in all directions – Perfect alignment for the high precision jobs – Very critical, great feature for extremely high precision work!
• Huge 18″ spindle to table distance with 
• COMPARE EVERYTHING WITH SIMILARLY PRICED MILLS ON THE MARKET – THEY WON’T EVEN COME CLOSE
• Hardened and Ground table and way surfaces greatly reduces wear, which maintains accuracy, and greatly extends machine life
• High precision Inch Pitch lead screws, for ease of use and greater accuracy (5TPI Screws, .200″ per turn, with large dials)
• High Precision Spindle with +/- .0002” or less runout for greater tool life and accuracy
• Balanced pulleys in head for smooth and quiet operation
• Precision Honed Quill Bore for tighter tolerance fit, which leads to improved accuracy when drilling and precision boring
• Quill is Precision Ground, then Hard Chrome Plated for longer life
• Tolerance Test Certificate included, each machine is checked for accuracy through a careful
  inspection process before shipment, the customer can always be sure they will receive a top quality
  machine that exceeds their expectations
• Longest in class 3 YEAR WARRANTY against defective parts, including electrical (excludes normal
  wear items such as belts, bushings, etc)

Main Specifications: (All subject to final verification)

• Model PM-835S
• Table Size 8”x35”
• Table T Slot Size / Spacing Between: 9/16″ / 2-1/4″
• X Axis Travel 23” (Shortened approx.. 2” with X Power Feed Installed)
• Y Axis Travel 10”
• Z Axis Travel (Knee) 16”
• Min/Max. Distance, Spindle to Table 2”/18”
• Spindle Height: Floor to Bottom of Spindle: 56”
• Table Height: Fully Raised 54”, Lowered 38”
• Quill Travel 5”
• Leadscrew Type Precision Ground ACME Leadscrew W/ Backlash Adjustments on X and Y Axis
• Leadscrew Pitch .200” (5 Threads Per Inch)
• Table Dial Graduations .001”
• Spindle Taper R8
• Spindle Speed Range, S Model 80-2720 RPM, 8 steps
• Spindle Bearing Type High Precision Angular Contact Bearings, Fully Adjustable
• Spindle Bearing Class C5
• Main Motor H.P. 3 HP
• Overall Height, Head Up 89-1/2″
• Height with head down (For moving and shipping) 72”
• Depth Front to back, rear of machine to front of knee casting 34”
• Rear of machine to tip of Y axis handle 40”
• Width X Axis Table Handles, Tip to Tip 48”
• Net Weight 1400 LBS
• Voltage / Phase 220 Volt, Single Phase - Requires 220 Volt, 20 Amp Circuit 
• Cord Connection/Type: Cord approx. 5′ length, User to supply plug needed for your outlet (20A 240V With Ground, No Neutral Required)
• Warranty: 3 Years
• Shipping Dimensions: LxWxH 48”Wx48”Lx80” H

Fast delivery times, these machines are IN STOCK here in Pittsburgh, PA and we can ship them right away.  Shipping costs on these is FREE!.  Average time delivered is 2-10 days depending on how far from Pittsburgh you are, it could be a little longer in remote places but normally is very fast. Or pick up at our location in Pittsburgh.  

Quality Machine Tools 

1060 Montour West Industrial Park

Coraopolis, PA 15108. 

Parts are easy to come by, we fully support these machines and the machine comes with a 5 year warranty on all parts, so you don't have to worry about that down the road if you need anything. We are machinists here too, so we know what we sell. This is really a top quality machine, and will last a long, long time. AND we are here for support too. We sell these machines regularly, we know them inside and out, and have been in business for many years, so if there is any question, we can help.