Plastic Cheap Chairs Tables And Injection Molding Mold Machine
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Plastic Cheap Chairs Tables And Injection Molding Mold Machine

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The injection molding process of plastic chairs usually includes the following steps:

1. Mold preparation: Select a mold suitable for producing plastic chairs, clean and apply mold release agent, so that the plastic chairs can be easily demolded.

2. Feeding and melting: Place plastic particles or powder into the hopper of the injection molding machine, and heat and melt the plastic through screws and heating systems.

3. Injection: Once the plastic is completely melted, the injection molding machine injects the melted plastic into the cavity of the mold. Injection molding machines typically have an injection system that pushes molten plastic into the mold cavity through pressure.

4. Cooling and solidification: After the injection molding machine is completed, the plastic in the mold begins to cool and solidify. The cooling time depends on the type of plastic and the size of the chair.

5. Demolding: Once the plastic chair has completely cooled and solidified, the mold will open and the demolding device will be used to remove the plastic chair from the mold.

6. Cutting and trimming: If necessary, the plastic chair will be cut and trimmed to remove any excess plastic or imperfect parts.

7. Inspection and packaging: Finally, the plastic chairs will be inspected and packaged to ensure quality and hygiene standards.

It should be noted that the injection molding process of plastic chairs may vary depending on the manufacturer and product design. The specific process parameters and steps may be adjusted based on factors such as plastic type, chair size, and shape.

椅子 (1)

椅子 (2)

2_new

ITEM

UNIT

SZ—4800A

           INJECTION UNIT



SCREW DIAMETER

mm

70

75

80

SCREW LID RATIO

L/D

22.6

21

19.7

THEORETICAL SHOT VOLUME

CM3

1346

1545

1758

SHOT WEIGHT(PS)

g

1225

1406

1600

INJECTION  PRESSURE

Mpa

201

175

154

THEORETICAL  INJECTION RATE(PS)

g/s

370

423

484

PLASTICISING CAPACITY

g/s

60.4

71.4

83.7

SCREW TORQUE

N.m

3490

MAX.SCREW ROTATE SPEED

r/min

150

INJECTION STROKE

mm

350

                 CLAMPING UNIT


MAX.CLAMPING FORCE K

KN

4800

MAX.OPENING STROKE

mm

770

SPACE BETWEEN TIE BARS

mm

760×760

MOULD HEIGHT

mm

280-790

MAX.DAYLIGHT

mm

1560

EJECTOR FORCE

KN

113.4

EJECTOR STROKE

mm

195

EJECTOR QUANTITY


13

其它                       OTHER


PUMP MOTOR POWER

KW

45

PUMP PRESSURE

Mpa

16

HEATING POWER

KW

28

HEATING ZONE


5

SIZE

m

7.5×2.1×2.45

NET WEIGHT

t

20

OIL TANK CAPACITY

L

850

INTERNATIONAL DESIGNATION


4800—2710

Criteria for acceptance of molds


1. No defects are allowed on the surface of the product: lack of material, burning, top whitening, white lines, peaks, blistering, whitening (or cracking, breaking), drying marks, wrinkles.

2. Welding line: Generally, the length of circular perforation welding line is not more than 5mm, and the length of irregular perforation welding line is less than 15mm. The strength of the welding line can pass the functional safety test.

3. Shrinkage: No shrinkage is allowed in obvious areas of the appearance, and slight shrinkage (no dents to the touch) is allowed in inconspicuous areas.

4. Generally, the flatness of small products is less than 0.3mm. If there are assembly requirements, they must be ensured.

5. There should be no air marks or material marks in obvious areas of the appearance, and the product generally should not have bubbles.

6. The geometric shape and dimensional accuracy of the product should comply with the requirements of formal and effective mold drawings (or 3D files). The product tolerance should be based on the tolerance principle, with negative tolerance for shaft dimensions and positive tolerance for hole dimensions. If the customer has any requirements, it should comply with the requirements.

7. Product wall thickness: The general requirement for product wall thickness is to achieve average wall thickness. Non average wall thickness should meet the requirements of the drawing, and the tolerance should be -0.1mm according to the characteristics of the mold.

8. Product Matching: Shell to Shell Matching - The surface misalignment is less than 0.1mm, and there should be no scratching phenomenon. Holes, shafts, and surfaces with matching requirements should ensure matching spacing and usage requirements.

Certificate


ECM6

tuv

Our Company

车2(1)公司建筑2300

Our Customers

客户abinet客户小高客户


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