Micromag 20
Make: FMB | Bar Length: 6', 12' | Bar Diameter: 0.031” – 0.787”
The FMB Micromag is a magazine style automatic bar feeder for bar stock diameters ranging from 0.8–20 mm. This precision bar feeder is specifically designed for small Swiss type lathes used for medical applications.
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Features: Micromag 20 Bar Feeder
- Bar diameter capacity: 0.8mm to 22mm (0.031” to 0.866”)
- Automatic loading magazine – 9 linear inches of rack capacity
- Walking beam separation system – drops out of the way when running larger diameter bars (21-bar capacity)
- Polyurethane guide channel system – noise & vibration dampening
- Ultra-quick guide channel and pusher changeovers – 10-min full set changeover, 3 min within same channel set
- Hydrodynamic support via high-volume oil flow into channels
- Separate floor-mounted electric cabinet isolates electronics from vibration
- (1) Guide channel set to be chosen by customer. Several sizes to choose from, each handling a specific stock range. See table above (spindle liner required if channel set is not lathe’s max capacity)
- (1) Universal telescoping front nose and (1) nylon nose I.D. liner specific to pusher
- (1) O.D. bar stock collet to be chosen by customer (specific collet needed for each stock diameter)
- Swiss headstock synchronization device
- Automatic remnant retraction, self-centering gripper
- Custom lathe cable and interface plugs
- Polyurethane bushing blocks (2 pieces)
- Spindle tube nose assembly – available in 5mm, 7mm, 10mm
| Technical Specifications | |
|---|---|
| Bar Diameter | 0.8mm – 22mm (0.031” – 0.866”) |
| Bar Length | 1000mm – 3800mm (39.4” – 12’5”) |
| Magazine Rack Capacity | 228.6mm (9”) or 21 bars 4mm or less |
| Maximum Remnant Length | 320mm (12.59”) |
| Bar Loading Cycle Time | Approx. 25 sec for 12’ bars |
| Feed Force (Pusher Torque) | Max 300 N, adjustable |
| Forward Feed Rate | 300mm/sec (710in/min) max, adjustable |
| Return Feed Rate | 601mm/sec (1420in/min) max, adjustable |
| Power Consumption | 1.5 kW/2 kVA |
| Operating Voltage | 230-400 V/60 Hz – 3 phase |
| Control Voltage | 24V DC |
| Oil Capacity | 50 liters (13.2 gallons) |
| Oil Viscosity | ISO 64 cST – Machine oil ISO BG32 – Air oil |
| Compressed Air Supply | 6 bar (90 psi) |
| Compressed Air Consumption | ~3 liters per loading cycle |
| Machine Weight (w/out Oil) | 885 kg (1950 lbs) |
| Material Straightness Specification | 0.007” TIR/foot of material (V blocks, 6’ equidistant) |
| Guide Channel Sets | Pusher Diameter | Minimum Bar Size | Maximum Bar Size |
Max. Bar Size With Front Remnant Expulsion * |
|---|---|---|---|---|
| Ø 5 mm | 5 mm | 0.8 mm (0.031”) | 4 mm (0.157”) | 5 mm (0.196”) |
| Ø 7 mm | 7 mm | 1.6 mm (0.063”) | 6.4 mm (0.250”) | 7 mm (0.275”) |
| Ø 10 mm | 10 mm | 2.4 mm (0.094”) | 8 mm (0.315”) | 10 mm (0.393”) |
| Ø 12mm | 12mm | 2.4mm (0.094″) | 10.4mm (0.409″) | 12mm (0.472″) |
| Ø 13 mm | 13 mm | 2.4 mm (0.094”) | 11.25 mm (0.443”) | 13 mm (0.511”) |
| Ø 15 mm | 15 mm | 3.2 mm (0.125”) | 13.5 mm (0.531”) | 15 mm (0.590”) |
| Ø 18 mm | 18 mm | 6.5 mm (0.255”) | 16.75 mm (0.659”) | 18 mm (0.708”) |
| Ø 20 mm | 20 mm | 8 mm (0.315”) | 18 mm (0.708”) | 20 mm (0.787”) |
| Ø 22 mm | 22 mm | 8 mm (0.315”) | 20 mm (0.787”) | 22 mm (0.866”) |
