Liebherr L402 SN 0451/8

Model
Manufacturer Liebherr
Model L402
Serial Number 0451/8
Year of manufacture 1978
         
Description
This machine is being offered in as is condition. We can also offer it with an optional rebuild, recontrol or recertification. All recontrolled and recertified machines are fully cleaned. All moving slides, spindles and parts handling systems are inspected for problems. Any gibs or adjustable backlash systems are adjusted to the best possible settings. All hydraulic, coolant, lubrication and pneumatic systems are checked for proper functionality and leaks.  All filters are replaced. All worn hoses, broken cables, connectors, buttons, lamps and wires are replaced. All guarding is installed and checked. All machine cycles are tested. Parts are cut to verify the machine capability. Charts from the test cutting are documented for your viewing.
         
During the recontrol process this the entire electrical cabinet will be replaced. A new CNC of your choice will be installed, along with new servo motors, feedback devices, and motor and feedback cabling. An easy to use conversational program will be provided to allow for easy operator data entry and storage. 
         
Mechanical Specifications
Maximum of pitch cut  3.175 DP 8  
Maximum Axial feed, steplessly variable 0.394 in/rev. 10 mm/rev.
Minimum Axial feed, steplessly variable 0.004 in/rev. 0.1 mm/rev.
Maximum Radial feed, steplessly variable 0.5290 in/rev. 15 mm/rev.
Minimum Radial feed, steplessly variable 0.0039 in/rev. 0.1 mm/rev.
Axial rapid traverse  27.559 in/min. 700 mm/min.
         
Radial rapid traverse 29.527 in/min. 750 mm/min.
Standard diameter of work arbor 1.181 in 30 mm
Work arbor taper 5 MT    
Main motor - rated power 8.5 kW    
Maximum Main motor speed steplessly variable  3000 r.p.m.    
Minimum Main motor speed steplessly variable  375 r.p.m.    
         
Maximum table load 1763.7 lbs 800 kg
Maximum hob diameter 7.48 in 190 mm
Maximum hob length 9.84 in 250 mm
Standard hob arbor  1.57 in 40 mm
Maximum center distance  11.81 in 300 mm
Minimum center distance  1.18 in 30 mm
         
Length 161.417 in 4100 mm
Length with electrical cabinet 148.000 in 3759 mm
Width 70.000 in 1778 mm
Width with control pendant and electrical cabinet 134.000 in 3404 mm
Height 108.000 in 2743 mm
Machine Weight 21385 lbs 9700 kg
Plant power 460 VAC 60 Hz
         
Features
Tailstock with pressure adjustment
         
Controls
Liebherr Relay Logic
 
Machine Includes
Side mount coolant tank
One hob arbor and nut
The aforementioned description and listing of specifications and accessory equipment is correct and accurate to the best of our knowledge.  However, it should not be considered binding in any regard, as we reserve  the right to change and/or alter same without prior notice. Consequently the buyer is responsible for confirming same, upon physical inspection and inventory of the machine(s) and all related accessory equipment.





 
 
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