R P Machine Enterprises Inc
820 Cochran St
Statesville
NC
28677-3731
Tel: 704-872-8888
Fax: 704-872-5777
sales@rpmachine.com www.rpmachine.com
Liebherr, No. LC-502, FANUC 18i, Retro-fitted 2009
[2328]
LIEBHERR CNC GEAR HOBBER
MODEL #LC-502 S/N: #
2009 Retrofitted with new Fanuc 18mi controls
*** 6-AXIS ***
SPECIFICATIONS:
Maximum workpiece diameter 20"
Maximum pitch (86000 psi Steel) 2 DP
Maximum hob slide travel (standard) 15.75"
Work table diameter 15.75"
Master worm wheel, pitch diameter 16.00"
Table bore diameter .5.906"
Table Center 1.57"
Maximum distance between hob and table center 13.38"
Hob head swivel 50
Maximum hob diameter (standard) 7.56"
Maximum hob length 9.84"
Maximum tangential travel (shifting) 7.87"
Hob spindle speed range 30 - 480 RPM
*This machine is to have the present controls replaced with new GE Fanuc
18Mi
Axis Controls. The Fanuc will control radial feed, axial feed, table
rotation, head swivel and cutter rotation.
GENERAL MECHANICAL:
1. Hob Head will be dismantled and inspected for wear. Bearing and seals
will be replaced if necessary.
2. Table group will be dismantled and inspected for wear. Bearings and
seals will be replaced if necessary.
3. Axial and Radial Ball Screw will be rebuilt or replaced if necessary
Any mechanical problems found in addition to what is listed above during the
dismantling and inspection will be discussed with the customer and will be
the responsibility of the customer to have repaired or not. Corrections to
any problems found can be made by RP Machine.
GENERAL ELECTRICAL:
1. Motors for all axes to be replaced with comparable Fanuc Motors.
2. Spindle Motor will be replaced with a Liquid Cooled Motor. Motor is
limited to a Max. RPM of 325. If more cutting speed is required
spindle switching feature can be added at extra cost.harge of $10,000
3. Axes Drive Amplifiers to be replaced.
4. Control relays to be replaced with Allen Bradley relays
5. Pendant type mounted control will be added.
6. Hoffman Air conditioning Unit for control panel
7. X Axis Heidenhain absolute scale
8. Electronic Gear Box Control Option
9. Limit switches will be rewired and replaced
10. Control wire flex track replaced
11. RP Machine will work with customer for specified control features if
required.
12. Machine painted to customers specs. Up to two colors.
Software:
The part program software supplied is structured so that all information
necessary for cutting a gear can be input by the operator directly from the
manufacturing drawings. Some features of the software are as follows:
1. Softkey commands for storing and recalling of all data required for
cutting a gear.
2. Independent feeds and speeds available for all three possible cuts.
3. Crowning amounts are input by the desired amount on the flank of the
gear as would be measured on a lead checker.
4. Control of separate entering and exiting feed rates to optimize cycle
times and cutting loads
5. Selection of control of clamping and tailstock function.
The following cutting cycles are supported by the supplied software:
1. Spur or Helical Single Index Cutting
2. Crowning
3. Spline Cutting with Dwell
4. Taper Cutting with amount specified by operator
5. Spur and Helical Hobbing
6. 3 Cut Cycle with cutter shift between cuts
Documentation:
1. Two sets of manuals as supplied by the control manufacturer
2. Machine logic prints in a useable form.
3. Two Complete sets of electrical drawings
GENERAL TERMS AND CONDITIONS:
Delivery Time:
160 days for the placement of order and receipt of machine at RP Machine's
facility.
Note: Long lead time items on original OEM Manufactured parts found damaged
or worn may delay the delivery schedule.
Machine Run Off:
RP Machine will cut 5 parts specified by Customer for the machine run off at
RP Machine. Customer will supply cutter, tooling, and parts for run
off. RP Machine will duplicate the same run off at Customer's
facility at time of installation for final acceptance.
Transportation:
The machine is to be controlled at the RP Machine's Statesville facility.
transportation cost is the responsibility of Customer.
Training:
Training for operators to be supplied for a maximum of (30) man hours.
Additional training and/or Installation will be charged at normal service
rates. $100 per hour; $50 Travel per hour, and expenses. Weekend hours and
overtime hours will be billed at time and a half.
Payment:
50%pon receipt of Purchase Order
40%pon successful runoff at RP Machine
10%et 30 days from Receipt of Machine
Warranty: The Fanuc hardware is covered by the manufacturer for a period of
two years. The warranty from RP Machine will cover all mechanical work
performed on the machine for 1 year.
Price as quoted will remain valid for 60 days from date of this quotation.
UED-ed is published by
Used Equipment Directory
400 Morris Ave Ste 268, Denville NJ 07834
Robert Scofield, Publisher. Email: bobs@buyused.com,
Tel: 973-400-1790 Fax: 973-625-8933
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