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DOUBLE-STROKE SINGLE-IMPRESSION DIE WIRE NAIL MACHINE А4215:

DOUBLE-STROKE SINGLE-IMPRESSION DIE WIRE NAIL MACHIN

DOUBLE-STROKE SINGLE-IMPRESSION DIE WIRE NAIL MACHIN is designed for making nails with broad head of 0.4 - 4.5 mm in diameter and of length up to 120 mm.
Nails of this type are designed for use in construction for fastening of corrugated asbestos board roofing.
 
MATERIAL USED:
Heat treated general purpose wire with an ultimate strength of 300 - 500 MPa, in bundles or reels with weight up to 1000 kg.
 
DESIGN:

A4215: DOUBLE-STROKE SINGLE-IMPRESSION DIE WIRE NAIL MACHIN composed of cast iron bed frame on which all units and mechanisms are fixed: combined drive
(microdrive for adjusting operations and force drive); shafts; feed device; clamping and heading mechanisms; burr
removing mechanism; cutting and sharpening mechanism; pneumatic clutch.
A4216: The unit is a high-speed automatic machine. The nail head production cycle consists of 2 stages:
1. Preliminary heading.
2. Final heading.
This is the peculiarity of the machine design.

 
ADVANTAGES:

DOUBLE-STROKE SINGLE-IMPRESSION DIE WIRE NAIL MACHIN A4215:
- Quality wire straightening is provided as the straightening is performed in two relatively perpendicular planes.
- Ready adjustment due to use of the microdrive.
- The adjustment is simple and can be done only with one branch of wire.

 
SPECIFICATIONS:

А4215
Nail body diameter, mm  
max.
min.
3,2
1,8
Nail length, mm  
max.
min.
80
20
Ratio between head diameter and nail body diameter
3-4
Frequency of heading slide travel per minute
300
Capacity, pcs/min
150
Rated heading force, kN
250
Total power of electric motors, kW
13,2
Overall dimensions, mm:
1700x2500x1600
Mass,kg
3500

In order to enhance technological capabilities of nailing machines our company has developed the following options:

1. Auger device. It is designed for transportation of nails from under the tray into the container. Thus, during transportation of nails cut-offsare separated and sent to a separate container.

This will allow:

  1. to avoid the deburringin many cases, e.g. for construction nails, which would reduce costs;
  2. cut-off separated from of the nails can be handed into scrap metal, which also would reduce costs;
  3. to escape from use of the place for container with nails, which would save production area;

2. The second lubrication circuit. This centralized lubrication is driven by a separate electric drive. It works on thethick lubricant through dosed feeders. Lubrication is triggered periodically, for example, after 1 hour and it delivers a portion of the lubrication to points.

Lubricated points:

  1. Slide rails of cut (6 points);
  2. The axis of the lever clamp - 1 point;
  3. The lever clamp roller - 1 point;
  4. Top rail of slide landing - 2 points;
  5. Telescopic connection of feed lever - 1 point.
  6. This allows: 

    1. significantly reduce fattening of nail and thus to escape thedeburringof nailstogether with a screw mechanism;
    2. to improve the lubricants reliability and reduce the time required for machine lubrication.

    3. Equipment of wire-nailing machines with frequency converters of induction motors. This allows smooth handling of productivity from minimum to maximum. Currently, nailing machines have only two speeds due to changeable pulleys. This allows to increaseproductivity of nail making machines by an average by 10% due to choice of optimum speed.

 

 

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