| Model |
| Manufacturer |
Liebherr |
| Model |
L402 |
| Serial Number |
0451/8 |
| Year of manufacture |
1978 |
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| 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. |
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| 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. |
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| 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. |
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| 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 |
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| Main motor - rated power |
8.5 |
kW |
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| Maximum Main motor speed steplessly variable |
3000 |
r.p.m. |
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| Minimum Main motor speed steplessly variable |
375 |
r.p.m. |
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| 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 |
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| 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 |
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| Features |
| Tailstock with pressure adjustment |
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| Controls |
| Liebherr Relay Logic |
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| 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. |