L-4

Room L-4 is the GRT machine shop. GRT is the only class with access to the shop.

Unfortunately, some tools are not actively used. Students are not allowed to use them because they haven't been trained on them.

Tools

• Harrison M250 lathe with a collet drawbar
• some Jet lathe of similar size to the M250, used with a 3-jaw chuck
• 2 Bridgeport milling machines
• a 3-axis CNC milling machine
• 2 floor-size drill presses
• a metal-cutting bandsaw
• a wood-cutting bandsaw
• a scroll saw (not used)
• a wood lathe (not used)
• a stomp shear for cutting sheet metal
• a throatless hand shear
• 2 sheet metal brakes (for bending)
  • A box-and-pan (finger) brake
  • A bar folder
• a Rotex turret punch.
• a manually-operated Di-Acro rotary bender (not used)
• a pedestal buffer
• a bench grinder
• a disc sander for wood
• a disc/belt sander for metal
• 2 hand tapping machines
• imperial-sized drills of all shapes and sizes (fractional, number, and letter), including Silver and Deming drills and taper-shank drills
• an arbor press
  • the shop also has a hydraulic press, though not located in L-4
• a laser cutter (which type?)
• workbenches with bench vises and front vises
• various hand tools: hammers, chisels, files, screwdrivers, try squares, scribes, hand drills, impact drivers, etc.

Side rooms

• Paint room with fume hood
• Welding room
• Bathroom
• material store room called the "Cat Closet"
• parts store room called the "Vault"