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Mac Afric BV20BL User Manual

Mac Afric BV20BL
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PRECISION BENCH LATHE
BV20BL
OPERATION MANUAL
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Mac Afric BV20BL Specifications

General IconGeneral
Swing Over Bed200mm
Spindle Bore20 mm
Spindle Speed Range100-2000 RPM
Motor Power550W
Tailstock TaperMT2
Voltage220 V

Summary

General Instruction

Good Working Practices Safety

Suggestions for observing good working practices and ensuring safety.

Mains Powered Tools Precautions

Safety checks for power cables, plugs, and ideal installation environment.

Assembly Instruction

Machine Mounting and Bed Preparation

Instructions for preparing a rigid bed and mounting the lathe securely.

Initial Setup and Running-In

Filling headstock oil, checking belt tension, and performing a running-in procedure.

Machine Specification and Definitions

Machine Specifications

Technical details and measurements of the BV20BL lathe.

Lathe Axis Definitions

Explanations of Main Axis, Work Axis, Traverse Axis, and Compound Axis.

Identification and Description of Parts - Section 1

Headstock, Tailstock, and Tool Post

Descriptions of Headstock, Tailstock, Lead screw guard, Tool Post, and Leadscrew.

Motor, Chuck, and Tailstock Controls

Descriptions of Motor, Chuck mounting, Tailstock lock, drive handle, and safety covers.

Identification and Description of Parts - Section 2

Lathe Bed, Saddle, and Slides

Descriptions of Lathe bed, Saddle, Traverse slide, and Compound slide.

Saddle and Slide Control Mechanisms

Descriptions of Saddle control, Auto feed lever, and slide control handles.

Identification and Description of Parts - Section 3

Tailstock and Tool Post Locking Mechanisms

Descriptions of Tailstock clamp screws, offset screws, and tool post locking handle.

Speed, Feed, and Reversing Controls

Descriptions of gear levers, switches, and charts for speed, feed, and reversing.

Machine Illustration - Lathe Overview

Main Lathe Components (Figure 1)

Illustration showing key parts like Chuck, Headstock, Tailstock, Saddle.

Tailstock and Chuck Assembly (Figure 2)

Illustrations focusing on the Tailstock and Chuck assembly details.

Machine Illustration - Controls and Details

Slide Control Illustrations (Figure 3)

Illustrations of Compound slide and its control handles.

Tailstock and Gear Controls (Figure 4 & 5)

Illustrations of Tailstock controls and gear change/reversing mechanisms.

Identification and Description of Parts - Gearbox and Reversing

Gearbox Covers and Oil Drain

Description of the gear compartment door, oil drain plug, and headstock cover plate.

18T Reversing Gear Explanation

Explanation of the 18T reverse tumbler gear for leadscrew direction control.

Machine Illustration - Oil and Gearbox Components

Oil Sight Glass and Drain Plug (Figure 8)

Illustrations showing the oil sight glass and oil drain plug.

Gearbox Access and Safety Switch (Figure 9 & 10)

Illustrations of gearbox covers and the door micro-switch.

Bench Lathe Maintenance

Installation Oil Change Schedule

Schedule for initial and subsequent gearbox oil changes based on usage hours.

Daily and Weekly Maintenance Procedures

Daily pre-use lubrication, cleaning, and weekly inspection tasks.

Recommended Accessories and Fluids

Recommendations for specific oils, greases, lubricants, and cutting fluids.

Oil Lubrication and Gear Tables

Oil Lubrication Points Diagram

Diagram identifying all oil lubrication points on the lathe (A-H).

Metric and Imperial Gear Tables

Tables for selecting gears for thread cutting and gearbox ratios.

Parts Diagram

Exploded View of Lathe Components

Detailed exploded view with numbered parts for easy identification and replacement.

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