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Weiler LZ 280 S User Manual

Weiler LZ 280 S
45 pages
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2til
Precision
Sliding
Surfacing
and
Scrwcutting
Lathes
Model
LZ 280
S
With main
drive
by
two-speed
2.211.0
HP
motor
and
variable-speed
vee-belt
drive
for infinitely
adjusable spindle
speeds
from 26 to 2000
RPM.
Also
available
with single-speed
2
HP
motor
for
spindle
speeds from 52
to
2000
RPM.
with
stepless
control range.
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Weiler LZ 280 S Specifications

General IconGeneral
BrandWeiler
ModelLZ 280 S
CategoryLathe
LanguageEnglish

Summary

PACKING AND SHIPMENT

Unpacking the Lathe

Procedures for safely removing the lathe from its export packaging.

Checking Delivery Contents

Verifying all supplied equipment and accessories against the delivery note.

Moving the Unpacked Machine

Guidelines for safely lifting and moving the lathe using cranes or other methods.

INSTALLATION

Machine Foundation Requirements

Recommendations for creating a stable, concrete foundation to prevent deflection and vibration.

Lathe Leveling Procedure

Detailed steps for accurately leveling the lathe using precision tools and wedges.

PREPARING FOR OPERATION

Machine Cleaning Before Operation

Instructions for removing protective coatings and ensuring the machine is free of dirt.

Essential Lubrication Before Use

Importance of thorough lubrication for smooth operation and longevity.

Releasing Lathe Mechanisms

Steps to ensure carriage, half-nut, and feed controls are disengaged before starting.

Engaging the Spindle Drive

Correct procedure for engaging the main spindle drive for initial power-on.

CONSTRUCTION OF LATHE

Headstock Components and Function

Description of the headstock, spindle, back gearing, and feed drive mechanism.

Feeding and Thread Cutting Systems

Overview of the gearing and shafts that control carriage and threading movements.

Quick-Change Gear Box Operation

Details on the quick-change gear box for selecting feeds and thread pitches.

Pick-Off Gear Train Function

Explanation of the pick-off gears for achieving specific feed ratios.

Feed Shaft Mechanics

Description of the splined feed shaft transmitting motion for automatic feeds.

Lead Screw Functionality

Details on the lead screw used exclusively for thread cutting.

Carriage Assembly and Movement

Description of the carriage supporting the cross slide and compound rest.

Compound Rest Design and Adjustment

Details on the compound rest, its slides, and adjustment mechanisms.

Apron Mechanisms

Description of the apron housing controls for carriage feed and thread engagement.

Tailstock Functionality

Description of the tailstock, its spindle, and clamping mechanism.

Spindle Drive Systems

Overview of the different drive systems for the spindle.

DRIVE ARRANGEMENT INSTRUCTIONS

Cone Pulley and V-Belt Drive System

Explanation of the V-belt drive system from motor to main spindle via countershaft.

Selecting Spindle Speeds

How to manually select spindle speeds by changing belts on cone pulleys.

Adjusting Belt Tension

Procedure for properly tensioning the V-belts for optimal drive performance.

ADJUSTMENTS & SERVICE PRACTICE

General Adjustment Information

Important notes on bearing/slide adjustments and initial running of the lathe.

Main Spindle Bearing Adjustment

Guidelines for adjusting the main spindle bearings for proper running.

Adjusting Front Spindle Bearings

Specific procedure for adjusting the pre-loaded tapered roller bearings.

Adjusting Rear Spindle Bearing

Procedure for adjusting the rear spindle guide-bushing.

Dismounting the Main Spindle

Steps required to remove the main spindle from the headstock.

Setting Up Change Gears

Instructions for correctly setting up and interchanging gears for different ratios.

Adjusting Compound Rest Feed Screws

Procedure for eliminating endplay in the compound rest feed screws.

Replacing Drive Belts

Information on accessing and replacing worn V-belts.

Troubleshooting Lathe Issues

Guidance on contacting support for any machine problems or damages.

INSTRUCTIONS FOR LUBRICATION

Daily Lubrication Requirements

Specific instructions for daily oiling of various machine parts.

Weekly Lubrication Requirements

Specific instructions for weekly greasing of nipples.