Patriot 338 Bar Feeder

Make: EDGE | Bar Length: 8', 12' | Bar Diameter: 0.118” – 1.5”

The Edge Technologies Patriot 338, available in 6′ or 12′ configurations, is designed specifically for the U.S. marketplace. These magazine type bar feeders are designed for automatically feeding round, square, and hexagonal bar stock in fixed headstock and Swiss CNC lathes with a stock diameter range of 3-38mm and in lengths up to 12 feet.

The Patriot 338 comes equipped with features such as double pushers, a bushing device, touch screen controls, and quick change guide channels.

The Patriot is elegant its design, yet robust in its manufacture and sells with an economic price tag.

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Features: Patriot 338 Bar Feeder

  • Bar diameter capacity: 3 mm to 38 mm (.118” to 1.500”)
  • Automatic loading magazine — 12 linear inches of rack capacity
  • Double pusher, space-saving design
  • Polyurethane guide channel system — noise & vibration dampening
  • Quick change guide channels and pusher
  • Hydrodynamic support via high volume oil flow into channels
  • Mitsubishi motion control — dependable and user friendly, allows easy bar feeder parameter changes
  • 36 part program memory storage for quick changeover
  • Dual anti-vibration devices – one internal to the bar feeder, the other mounted between the telescopic nose and the lathe headstock
  • (1) Guide channel set to be chosen by customer. Several sizes to choose from, each handling a specific stock range. See chart on next page (spindle liner required if channel set is not lathe’s max capacity)
  • (1) Standard front telescopic nose to match the guide channel set
  • (1) O.D. bar stock collet (to be chosen by customer, specific collet needed for each stock diameter)
  • (1) Bushing block for outboard anti-vibration device to be chosen by the customer based on bar diameter
  • Automatic remnant retraction, self-centering gripper
  • Synchronization device and Swiss lathe adaption kit
  • Custom lathe cable and interface plugs
  • Air knife with flow control valve
Technical Specifications 
Bar diameter capacity-no bar preparation:3 mm to 35.0 mm (.118” to 1.377”)
Bar diameter capacity-with bar preparation:3 mm to 38 mm (.118” to 1.500”)
Maximum bar length:3800 mm (12 feet 5 inches)
Minimum bar length:1000 mm (39.400”)
Maximum remnant length:406 mm (16”)
Magazine rack capacity:12”
Bar loading cycle time:30 seconds for 12-foot bar
Material straightness specification:.007” TIR/foot of material (V blocks, 3 points equidistant)
Feed force (pusher torque):max 450 N, adjustable
Forward feed rate:750 inches/minute max, adjustable
Return feed rate:1000 inches/minute max, adjustable
Power consumption:1.5 kW – (2 kVA)
Operating voltage:230V/60Hz 3-phase
Control voltage:24V DC
Oil capacity:57 liters (15 gallons)
Oil viscosity:ISO 100 cST
Compressed air supply:6 bar (90 psi)
Compressed air consumption:approx. 8 liters per loading cycle
Machine weight:2,500 lbs
Guide Channel SetsPusher DiameterMinimum Bar SizeMaximum Bar SizeMax. Bar Size With Front Remnant Expulsion *
Ø 13 mm12.5 mm3 mm (.118”)10 mm (.393”)12 mm (.472”)
Ø 17 mm16.5 mm5 mm (.196”)15 mm (.591”)16 mm (.630”)
Ø 21 mm20.5 mm8 mm (.315”)19 mm (.750”)20 mm (.787”)
Ø 26 mm25.0 mm8 mm (.315”)22.2 mm (.875”)25 mm (.984”)
Ø 28 mm27.5 mm10 mm (.393”)25.4 mm (1.000”)27 mm (1.062”)
Ø 33 mm32.5 mm10 mm (.393”)28.5 mm (1.125”)32 mm (1.259”)
Ø 36 mm34 or 35.5 mm12.7 mm (.500”)32 mm (1.260”)35 mm (1.377”)
Ø 39 mm38.0 mm15.8 mm (.625”)35.0 mm (1.377”)38 mm (1.500”)
Diagram of a Patriot 338 bar feeder