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Ningbo Chap Mechan-Electro-Hydraulic S&T Development Co.,Ltd is specializing in production of Rubber machinery,Hydraulic Valves,Plastic machinery...
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Thermoset Plastic Compression Molding Machine

Rubber machine - Precision preformer is a kind of high-efficiency and high-precision device for manufacturing rubber blank. It can be used in combination with a wide range of rubber material in extruding rubber blank of mid to high hardness and of intricate shapes such as circle and solid figures. Owing to its high precision volume and low air content, it is capable of producing products ranging from rubber sundries, sealing members, inflating valves, tennis balls and shoe soles.

 Structure introduction
    The precision preformer is composed of a ram extruder and a rubber blank cutter attached to the ram head. It is also equipped with hydraulic, vacuum, heating, pneumatic and electrical system. While in operation, the first step is to open the ram head and add the preheated prehensile rubber material into the machine from anterior part of the barrel. After that, the ram head is to be closed to adjust the extruding and cutting speed (volume control chart is provided with the machine). Eventually, after vacuumization and cutting, the rubber blank with precise weight will then be obtained.
    1. Extruding device: It is composed of hydraulic cylinder, batching barrel and
ram head.
    2. Hydraulic device: This device is selected with high-pressure gear pump and YUKEN flow valve imported from Japan. Hydraulic oil in hydraulic cylinder is controlled by the flow valve and the pressure difference prior to and after throttling is controlled at a constant value so as to ensure the precise weight of the rubber blank extruded. This device is equipped with cooling system driven by 2 sets of hydraulic axletrees which can make reasonable and effective use of energy and control the temperature of the hydraulic oil.
    3. Pneumatic device: It is used to open and close the ram head as well as control the movements of other devices, for example, the cylinder.
    4. Vacuumizing system: Before extruding and cutting of rubber material, the vacuumization aims at eliminating the air remained inside the barrel and the ram head as well as the gas contained in the rubber material so as to improve the quality of sulfur products to be produced in the following process.
    5. Heating system: With the adoption of water circulation heating method, the temperature is controlled and displayed by the digital thermostat which can effectively maintain the constant temperature of the ram head and the barrel.
    6. Cutting device: It is composed of frame, electromotor and deceleration system, which can conduct speed transmission via four-speed motor gearbox and frequency conversion motor. In addition, there is also a transmission system installed under the frame.

 Technical Parameter

Items

Unit

JY150

Barrel inside diameter

Mm

150

Total power

Kw

16

Max. oil cylinder pressure

MPa

36.8

Max. barrel temperature

°C

95

Max. die diameter

Mm

80

Rubber weight range

G

0.3-100

Rubber blank weight accuracy

%

±1.0

Feeding volume

Kg

8-10

Cutter speed

r/min

35-300

Overall dimension

(L×W×H)

M

4×1.1×1.8

Weight

T

2.8

 Thermoset plastic compression molding machine

chap

XLB series Compression press is the main rubber molding machine for various of rubber products and non-model products. The rubber molding press is suitable for molding to Oil Seal, O Ring, Gasket, building materials and other rubber products.                        
Feature:
1. The main moving platen raises rapidly, clamps slowly, declines rapidly, close mould fast turn to slow and exhaust fast turn to slow can be adjusted respectively, production efficiency is improved.
2. Exhaust time, exhaust frequency, heating temperature and vulcanizing time can be setted, convenient for operation.
3. There are two work mode with manual and semi automatic mode.
4. The electric system adopts full computer control, it is more convenient, accurate and reliable for operation
5.Applicable line:Rubber Sheet, Oil Seal,O Ring,Gasket, Engine Mountings,Hardware Rubber, Molded Rubber Parts
 
Double Layer Plate Vulcanizing Press with Opening the Mould

Technical Parameters

Item

Technical Parameter

Clamping force

1000KN

Clamping stroke

300mm

Heating plate size

450mm×450mm

Number of working layer

2 layers

Heating plate Spacing

150mm

Max ejector force

60KN

Max temperature

250

Power

4+11.7 kw

External dimension(L×W×H)

1500mm×1430mm×1660mm

Weight

2720kg

Oil tank capacity

250L


Transfer type molding machine for thermoset plastic YJ-1100, Transfer type molding machine for thermoset plastic YJ-2000

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