The extensive Johnford DMC series of 27 moving-table bridge mills provides a comprehensive selection of machine sizes and capabilities.
Machine X-Y-Z travels range from 36″ x 36″ x 30″ (3455 mm x 3455 mm x 760 mm) to 196″ x 157″ x 32/42″ (4978 mm x 3989 mm x 812/1067 mm), with W-axis travel optional on the largest machines. Spindle tapers include CT-40 (HSK-63) and CT-50 (HSK 100). Spindle power, depending on the machine, ranges from 15 hp to 35 hp.
Most models have one-piece column and bridge castings. Massive Z-axis heads and Y-axis saddles feature square box ways coated with Turcite and have diagonally arranged ribs engineered to minimize distortion than can result long-time heavy duty service. The X-axis table traverse is accomplished via heavy duty Schneeberger roller linear ways for accurate positioning of heavy work pieces. Large diameter, pretensioned ballscrews and powerful servo motors also aid positioning accuracy.
Ergonomics are designed to facilitate easy loading and unloading. Twin screw-type conveyors plus a caterpillar conveyor ensure complete chip removal with little manual cleaning.
X Travel (in.) 81
Y Travel (in.) 51
Z Travel (in.) 32
W Travel (in.) –
Table Load (lbs.) 13,200
Rapids (in./min.) 590
Control OiM-F / 31iM-B
Spindle Taper CT-40 (HSK-63)
RPM (K) 10
Spindle (HP) 15
Spindle Drive 2 Speed Gearbox
ATC Capacity CAT 24
Weight (lbs.) 52,000
Standard Accessories
Flood Coolant System with programmable air blast
Air blast for spindle
Auto Lubrication with Alarm
Automated chip removal system with chip conveyors
Halogen work lamp
2 speed geared head
Remote Handwheel
Heat exchangers for control cabinets
Hydraulic counterbalance for headstock
Rigid Tapping
Optional Accessories
1,000 PSI Coolant through the Spindle
Larger Tool Magazines up to 120 Tools
Automatic Pallet Changers (DMC Models Only)
Part and Tool Probes
50 HP Spindle Motors on Large Models
15K RPM Direct Drive 40 Taper
10K RPM Direct Drive 50 Taper
15K RPM 56 HP Weiss HSK-100A Spindles
24K RPM 31 HP Weiss HSK-63A Spindles
5 Face Head
5 Axis Heads
W Axis Travel 1 Meter, 1.5 Meters, 2 Meters
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