1999 LORENZ LFS-282 Shaping Machine
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Lorenz LFS-282 CNC Gear Shaping Machine — In Process for Recertification & Fanuc Recontrol by Machine Tool Builders.
Machine Tool Builders is currently recertifying and recontroling a Lorenz LFS-282, a rigid and exceptionally precise gear-shaping platform built on the traditional Lorenz strengths of stability, accuracy, and long mechanical life. This model shares a working range similar to the classic Fellows 10-4, but offers significantly greater capability; including a pivoting X-axis column for ±30° tapers, a shaping head mounted on a Z-axis slide for clean in/out part access, and a fully programmable stroke length. Together, these features deliver faster changeovers and expanded versatility for both internal and external gear-shaping applications.
This machine can be optionally equipped with a magazine-style loader or configured for manual loading, depending on your production environment and part flow requirements.
Currently on our shop floor, the LFS-282 is undergoing MTB’s complete recertification program: full mechanical and functional inspection, paint restoration, and a ground-up Fanuc CNC recontrol. Upon completion; slated for mid-2026, with scheduling flexibility if needed—the machine will be delivered production-ready.
The CNC upgrade centers on the Fanuc 0i-MF Plus platform, paired with new Fanuc Alpha HVi servomotors and drives, plus a new Alpha-series spindle drive system. A brand-new electrical cabinet is being built from the ground up, incorporating new wiring where required and all-new industrial components throughout: motors, starters, relays, power supplies, contactors, terminal strips, and fuses. MTB’s conversational software is included, providing intuitive, menu-driven setup screens that streamline tooling input, setup, and part-program recall—significantly reducing setup time while improving repeatability.
The shaping spindle is equipped with a servo-controlled orienting system that delivers precise positioning at TDC and BDC with positive confirmation. Elevation and stroke length are driven by a shared servo motor but monitored with separate feedback systems, maintaining accuracy across the full usable stroke.
Once recertification and CNC recontrol are complete, this Lorenz LFS-282 will represent a rare combination of German mechanical integrity and modern Fanuc architecture—a capable, serviceable 280-mm class shaper ready for years of reliable operation. For manufacturers needing a flexible, dependable CNC shaper backed by a team that supports everything it sells, this machine is an excellent fit.
Lorenz LFS-282 Shaping Machine Recontrol program by MTB.
All primary motions on the LFS-282 will be under CNC control:
• 'X' – Radial worktable slide
• 'B' – Cutter spindle rotation
• 'C' – Worktable rotation
• 'Z' – Stroke position setting
• 'L' – Stroke length setting
Key Specifications:
• Maximum Outside Diameter: 280 mm
• Maximum Face Width: 87 mm
• Maximum Stroke Speed: 1200 rpm
• Z-Axis Travel: 250 mm
Workpiece & Travel Capacity:
Max. external workpiece diameter: 11.023 in / 280 mm
Max. internal workpiece diameter: 9.449 in / 240 mm
Max. axial travel (stroke positioning): 5.512 in / 140 mm
Max. radial center distance: 11.811 in / 300 mm
Min. radial center distance: ≈0 in / 0 mm
Max. axial height from table: ≈15.75 in / 400 mm
Min. axial height from table: ≈9.84 in / 250 mm
Maximum face width: 4.724 in / 120 mm
Maximum stroke length: 5.118 in / 130 mm
Riser height (changeable): 3.94 in / 100 mm
Table, Cutter & Construction:
Worktable diameter: 11.81 in / 300 mm
Table bore: 3.15 in / 80 mm
Cutter spindle diameter: 3.937 in / 100 mm
Speeds & Feeds:
Stroking speed range: 100–800 SPM
Radial feed (inch): 0.0001–59.055 in/min
Radial feed (metric): 0.001–1500 mm/min
Rotary feed at 11" dia: 0.0001–43.30 in/min
Rotary feed at 280 mm dia: 0.001–1100 mm/min
Rapid traverse (radial): 59.055 in/min / 1500 mm/min
Rapid traverse (axial): 118.110 in/min / 3000 mm/min
Rapid cutter traverse: 1440 deg/min / 4 RPM
Rapid table traverse: 1440 deg/min / 4 RPM
This machine will be subject to a standard Machine Tool Builders Re-Control program (Fanuc 0iF+ CNC) along with a Re-Certification Program to bring this productive machine back to life.
MTB Re-Certification Program Features & Highlights:
• Shaping head will be checked for any problems.
• Work table drive system checked for problems.
• Hydraulic system drained and cleaned.
• All filters changed.
• Polycarbonate guarding windows will be replaced.
• Machine will be thoroughly cleaned & repainted.
• All cycles will be tested and verified as fully functional.
• All worn hoses replaced.
• All broken electrical wires and cables will be repaired.
• All defective controls will be replaced or repaired.
• All features will be tested and verified as fully functional.
• Coolant system checked for problems.
• Coolant tank and chip collection system cleaned.
• All axes checked for accuracy and repeatability.
• All axes will be recalibrated for correct home positions.
• Machine geometry checked and recorded.
• Tuning of all axes servos will be verified & adjusted.
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• New absolute scale installed if an axis previously used a scale – Included
• Power requirement: 460 VAC, 60 Hz – Included
• If the plant does not use a grounded wye system, isolation transformer required — Notation
• Controls
• New Fanuc 0i-MF Plus CNC with 10.4" horizontal display – Included
• Fanuc Alpha HVi digital servo drives & motors – Included
• Fanuc Alpha HVi spindle drive & motor – Included
• Shaping Software (MTB Conversational Platform)
• Up to four sequential surfaces
• Up to five cuts per cycle
• Spiral or plunge infeed
• Programmable rotary dwell
• Digressive infeed
• Inch/metric switchable
• Spiral out of cut
• Full M & G-code capability
• Quick recut cycle
• Automatic cutter indexing
• Cutter & workpiece orientation
• Clamp avoidance
• Tailstock/clamping auxiliary sequencing
• Slotting capability
• Programmable elevation (range dependent on stroke)
Painting:
• Machine and ancillary equipment refinished – Included
Tooling:
• One cutter adapter, size and type TBD – Included
Documentation:
(2) Sets wiring diagrams (11×17)
(2) Operator manuals
(2) Spare parts & service manuals
(2) Copies PLC logic, plus backup media
(2) Sets of mechanical prints for MTB-made changes
Standards Compliance:
• Electrical, mechanical, hydraulic, pneumatic, and safety work completed per ISO, IEEE, ANSI, DIN, NFPA, and customer specifications – Included
Options:
• Cutter adapters: priced upon specification – TBD
• Tailstock: dependent on design requirements – One is included (see pictures).
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