SZ—1700A injection molding machine
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SZ—1700A injection molding machine

1.We have many types of machines, suitable for various sizes of molds. 2.All our accessories are imported, with guaranteed quality and quantity. 3.The raw materials of the machine are excellent, with the characteristics of high ductility, wear resistance and heat resistance. 4.In the process of machine debugging, strictly control the error to ensure the efficiency of the machine. 10.We can make plans and samples according to customer requirements to meet the diverse needs of customers.
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  • SZ—1700A

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项目 ITEM

单位UNIT

SZ—1700A

注射装置                 INJECTION UNIT



螺杆直径

SCREW DIAMETER

mm

45

50

55

螺杆长径比

SCREW LID RATIO

L/D

23.3

21

19.1

理论注射容积

THEORETICAL SHOT VOLUME

CM3

358

442

534

注射质量(PS料)

SHOT WEIGHT(PS)

g

326

402

486

注射压力

INJECTION  PRESSURE

Mpa

219

178

147

理论注射速率(PS料)

THEORETICAL  INJECTION RATE(PS)

g/s

142

175

212

塑化能力(PS料)

PLASTICISING CAPACITY

g/s

20.1

26.5

34.2

螺杆驱动扭矩

SCREW TORQUE

N.m

1250

螺杆最高转速

MAX.SCREW ROTATE SPEED

r/min

200

洼射行程

INJECTION STROKE

mm

225

合模装置                   CLAMPING UNIT


合模力

MAX.CLAMPING FORCE K

KN

1700

移模行程

MAX.OPENING STROKE

mm

460

拉杆有效间距(VxH)

SPACE BETWEEN TIE BARS

mm

480×480

允许模厚(MIN-MAX)

MOULD HEIGHT

mm

180-500

模板最大开距

MAX.DAYLIGHT

mm

960

液压顶出力

EJECTOR FORCE

KN

45.2

液压顶出行程

EJECTOR STROKE

mm

115

液压顶出杆总数

EJECTOR QUANTITY


5

其它                       OTHER


油泵电动机功率

PUMP MOTOR POWER

KW

15

油泵最高压力

PUMP PRESSURE

Mpa

16

料简加热功率

HEATING POWER

KW

13.6

加热区段

HEATING ZONE


4

机器外形(LxWxH)

SIZE

m

5.3×1.35×1.9

机器净重

NET WEIGHT

t

5.6

油箱容积

OIL TANK CAPACITY

L

420

国际公认型号

INTERNATIONAL DESIGNATION


1700—785

How to reduce the wear of injection molding machine screws


1, injection molding raw material temperature settings: each plastic, there is an ideal plasticizing processing temperature range, should control the barrel processing temperature, so that it is close to this temperature range.


Granular plastic from the hopper into the barrel, will first arrive at the charging section, in the charging section will inevitably appear dry friction, when these plastics are not enough heat, melting unevenly, it is easy to cause the barrel wall and screw surface wear increases.



Similarly, in the compression section and homogenization section, if the plastic melting state is disorderly and uneven, it will also cause increased wear.



2, screw speed setting: due to some plastics with reinforcing agents, such as glass fiber, minerals or other fillers. These substances on the metal material friction is often much larger than the molten plastic.



In the injection molding of these plastics, if the high speed into, in the increase of the shear force on the plastic at the same time, will also make the reinforcement accordingly produce more torn fibers, torn fibers contain sharp ends, so that the abrasion force is greatly increased. Inorganic minerals in the metal surface at high speed skating, its scraping effect is not small. So the speed should not be adjusted too high.



3, plastic in the debris: the production of pure raw materials may be relatively small risk, but now the enterprise in order to reduce costs, generally mixed in the raw material some of the sprues, due to some on-site management reasons, sprues in the crushing of some of the fine metal shavings are easy to mix, this is a great danger to the screw, so the general installation of magnets in the barrel frame, strict feeding management and monitoring.


Translated with DeepL.com (free version)


3_new

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