Introducing the new Johnford SL-300L-II turning center
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Introducing the new Johnford SL-300L-II turning center
Introducing the NEW Johnford SL-300L-II slant bed turning center with extended 40 ” turn length for longer part turning . Since 1979 , Johnford ’ s SL Series lathes have been constructed with a one-piece Meehanite cast iron base for not only intense strength and added rigidity , but also to dissipate heat away from the part improving dimensional accuracy . Johnford still hand-scrapes their box ways and coats all mating surfaces with Turcite-B for exceptional fit , mobility , and precision . The SL-300L-II ballscrews are double nut type and pretensioned to eliminate thermal growth . The 30˚ slant bed design allows for improved chip removal away from the work envelope and workpiece , space efficiency for more compact footprint design , and improved operator ergonomics for better part visibility and accessibility to cutting tools .
While all the above factors make the new Johnford SL-300L-II turning center an excellent choice , there are more attractive standard features such as :
• List price : $ 142,000 ( incl . everything above and below )
• 22.8 ” Swing over Bed Design
• 17.7 ” Swing over Cross Slide
• 2 ” Bar Capacity
• 40 ” Turn Length
• 20 HP
• 8 ” 3-Jaw Hydraulic Chuck
• 12 ” Tool Turret
• 787 IPM Rapid Traverse
• Fully Programmable Tailstock , and
• DUAL HYDRAULIC STEADY RESTS
NEW SL-300L-II Super Slant Bed 30 degree Turning Center
Also included in the new SL-300L-II is a 12-station bi-directional servo turret or optional BMT-55 servo live turret with 7.5 HP milling motor providing . 2 second indexing as well as coolant through the tool holders . In addition to the live tooling option , a true linear Y axis is also available for off-center milling operations . Our Y axis is perpendicular to X in a right-angle design , providing true linear Y axis movement . Fanuc OiT-F Plus CNC control with 10.4 ” color LCD , full MDI keypad , Manual Guide i Conversational are all standard accessories to complement this new machine model .
The precision spindle structure is mounted using precision double row roller bearings in conjunction with angular contact ball bearings for high rigidity and accuracy . The spindle quill inner and outer linings are precision ground for fine fitting with the spindle , thus ensuring extreme concentricity and accuracy . Three spindle configurations are available to suit any machining requirement :
• 1.7 ” bar capacity , 6,000 RPM spindle
• 2 ” bar capacity , 4,500 RPM spindle
• 3 ” bar capacity 4,000 RPM spindle
Optional accessories include an automatic tool presetter , radial and axial live tool heads , contouring C axis with live tools , and much more . The C-axis accuracy is 0.001 degrees . The live tooling used for the C-axis is backed by a 7.5 HP spindle motor .
Add our SPECIAL PRODUCTIVITY PACKAGE which includes either a TRACER V-65E 4 ’ pneumatic bar loader , Vs-65E 4 ’ servo bar loader , or a TRACER Vs-80L 5 ’ servo bar loader , parts catcher , and parts conveyor for unattended operations . For more information or a quote on the new Johnford SL-300-II , email Absolute Machine Tools at info @ absolutemachine . com .
For further information , please visit www . absolutemachine . com
134 PECM Issue 67