Heavy Duty Nylon6 700kg Industrial Swivel Casters With Brake

Low Profile Industrial Top Plate Locking Caster Wheels with Brake KT-LGP1-75SF

Types of equipment punches in Caster Factory
Types of caster punch
1. According to the driving force of the slider, it can be divided into mechanical type and hydraulic

type, so the caster punch is divided into:

(1) Mechanical caster punch (2) hydraulic caster punch
In general sheet metal stamping, most of them use mechanical caster punch. Hydraulic caster punches

have hydraulic caster punches and hydraulic caster punches according to their different liquids. At

present, hydraulic caster punches account for the majority, while hydraulic caster punches are mostly

used for large machinery or special machinery.

2. Classification according to sliding block movement mode:
According to the movement mode of the sliding block, there are single acting, compound acting and

three acting caster presses. Only the single acting caster press with one sliding block is the most

used at present. Compound acting and three acting caster presses are mainly used in the extension

processing of automobile body and large processed parts, and their number is very small.

3. Classification according to slider driving mechanism
(1) Crankshaft caster punch
The caster punch using crankshaft mechanism is called crankshaft caster punch. As shown in Figure

1, it is crankshaft caster punch. Most mechanical caster punches use this mechanism. The reason

why the crankshaft mechanism is used most is that it is easy to make, can correctly determine the

lower end position of the stroke, and the motion curve of the slider is generally suitable for all kinds

of processing. Therefore, this type of stamping is suitable for punching, bending, stretching, hot

forging, warm forging, cold forging and almost all other caster punch machining.

(2) Crankshaft free caster punch
Crankshaft free caster punch, also known as eccentric gear caster punch, figure 2 is eccentric gear

caster punch. The comparison of the functions of the two structures of the crankshaft caster punch

and the eccentric gear caster punch is shown in Table 2. The eccentric gear caster punch structure

is superior to the crankshaft structure in terms of shaft rigidity, lubrication, appearance and

maintenance, but the disadvantage is that the price is high. When the stroke is long, the eccentric

gear caster punch is more favorable, and when the stroke of the special punching machine is short,

the crankshaft caster punch is better. Therefore, small machines and high-speed punching caster

punch are also the field of crankshaft caster punch.

(3) Elbow type caster punch
The one who uses the toggle mechanism on the slider drive is called the toggle caster punch, as

shown in Figure 3. This caster punch has a unique slider motion curve that the slider speed near

the bottom dead center will become very slow (compared with the crankshaft caster punch), as

shown in Figure 4. It also correctly determines the dead center position under the stroke.

Therefore, this caster punch is suitable for compression processing such as embossing and finishing.

Now cold forging is used most.

(4) Friction caster punch
The caster press using friction transmission and screw mechanism on track drive is called friction caster

press. This caster punch is most suitable for forging and crushing operations. It can also be used for

bending, forming and stretching. It has multi-purpose functions. It was widely used before the war

because of its low price. Due to the inability to determine the lower end of the stroke, poor machining

accuracy, slow production speed, overload caused by wrong control operation, and the need for skilled

technology in use, it is gradually being eliminated

(5) Screw caster punch
Screw type caster punch (or screw caster punch) is used in slider drive mechanism

(6) Rack type caster punch
The use of rack and pinion mechanism on the slider driving mechanism is called rack caster punch.

Screw caster punch and rack caster punch have almost the same characteristics, and their

characteristics are roughly the same as those of hydraulic caster punch. It used to be used for pressing

bushings, debris and other articles, oil pressing, baling, and pressing out of cartridge cases (hot room

thinning), but now it has been replaced by hydraulic caster punch, which is no longer used except under

very special circumstances.

(7) Connecting rod caster punch
The caster punch that uses various linkage mechanisms on the slider driving mechanism is called

connecting rod caster punch. The purpose of using the connecting rod mechanism is to keep the

stretching speed within the limit while shortening the processing cycle. By reducing the speed change of

the stretching processing, the speed of the approach travel from the top dead center to the processing

start point and the return travel from the bottom dead center to the top dead center can be accelerated,

so that it has a shorter cycle than the crankshaft caster punch, so as to improve the productivity. This

caster punch has been used for deep drawing of cylindrical containers since ancient times, and the

table top is narrow. Recently, it has been used for processing the main panel of automobile, and the

table top is wide.

(8) Cam caster punch
The caster punch using cam mechanism on the slider driving mechanism is called cam caster punch.

The caster punch is characterized by making an appropriate cam shape so that the desired slider

motion curve can be easily obtained. However, due to the nature of cam mechanism, it is difficult to

convey large force, so the capacity of this caster punch is very small.

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