Brother LK3-B434E - User Manual

LK3−B434E 1/17
2000.7
LK3−B434E
LK3 − B434EX
LK3−B434EX/SF
Electronic Lockstitch Pattern Tacker
Electronic Lockstitch Pattern Tacker
with Stepping Foot
Specifications
Model
LK3−B434E LK3−B434EX LK3−B434EX / SF
Application
Thin, medium, heavy,
extra heavy materials
Medium, extra heavy
materials
Extra heavy materials
Stitch formation Single needle lock stitch
Max. sewing speed 2,000 rpm (Pitch 3 mm *1)
Max. pattern size
Max. 100 × 60 mm
Feed mechanism
R−θintermittent feed mechanism (pulse−motor driven mechanism)
Stitch length 0.1−10.0 mm
Max. stitch number 5,000 stitches (including 4,000 stitches which can be added)
Work clamp lifter Solenoid type or pneumatic type Pneumatic type
Work clamp height
For solenoid : 17 mm max.
For pneumatic : 20 mm max.
(Max. 17 mm for inner clamping device)
20 mm max.
Hook
Shuttle hook (×1.8 shuttle hook, optional)
Wiper device Standard equipment
Thread trimmer device Standard equipment
Stepping foot lift amount 18 mm (Stepping foot specifications only)
Stepping foot stroke
0, 3−8 mm (Stepping foot specifications only)
Safety equipment
Built−in stopping mechanism
Data storage method
PROM (Any sewing pattern can be added using BAS−PC/300)
No. of stored data
Up to 50 patterns can be added. Total number of stitches of stored data which can be
added is within 4,000.
Motor Three phase 400W induction motor
Weights
Machine head: 49kg Control box: 9−19kg (depending
on destination)
Machine head: 50kg
Control box: 9−19kg
(depending on destination)
Power supply
Single phase 220−230V
Three phase 220, 380, 400, 415V
Max. electric power consumption; 600VA
*1 Because of the R−θ feed, sewing at maximum speed may not be possible for some sewing data, even if the
sewing pitch is set to 3 mm or less.

Summary

Specifications

Model Names

Lists the specific model designations of the sewing machines.

Application Areas

Details suitable applications and material types for each model.

Stitch Formation Type

Specifies the type of lockstitch formation employed.

Maximum Sewing Speed

Indicates the highest operational speed in revolutions per minute (RPM).

Main Use

Pattern Sewing Capacity

Defines the maximum dimensions for sewn patterns.

Common Applications

Highlights typical uses such as plain stitching and label attachment.

Feed Mechanism

Work Clamp (S)

Details the 'S' type work clamp component.

Feed Bar Guide Cover (S)

Specifies the 'S' type feed bar guide cover.

Work Clamp Lifter

Thread Wiper Mechanism

Driving Lever

Wiper Shaft

Wiper Rod Assembly

Air Pressure Mechanism

Pneumatic Branch Connector

Pneumatic Plug

Air Tube (930 mm)

Power Supply Equipment

Operation Panel Box Assembly

Operation Panel PCB Assembly

Brother LK3-B434E Specifications

General

Brand	Brother
Model	LK3-B434E
Category	Sewing Machine
Language	English