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750 Kgs 500mm Multipurpose Furnace Super Low Temperature Freezer Liquid Nitrogen

Shenzhen Dejieli Refrigeration Technology Co., Ltd.
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750 Kgs 500mm Multipurpose Furnace Super Low Temperature Freezer Liquid Nitrogen

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Brand Name : DJL

Model Number : DJL-SLX-500H

Certification : ISO9001,CE

Place of Origin : Guangdong, China

MOQ : 1 set

Price : negotiable

Payment Terms : T/T

Supply Ability : 20 Set/Sets per Year

Delivery Time : 30 working days

Packaging Details : sea shippment package

Power : 15kw

Inner Dimension(L*W*H) : 800*500*500mm

Weight : 750 kgs

Working temperature : -200℃~+300℃

Coolant : Liquid nitrogen

Port : Shenzhen

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Quick Freezing Efficiency Is High Metallic Materials Online Multpurpose Furnace
Product Description

Cemented carbide cold heading dies are often used for cold heading, cold punching and upsetting of metal materials. They bear great impact force during work, the impact frequency is very high, and they have a certain working temperature. The use environment is very harsh, which requires cold The upsetting die has both good impact toughness and a certain degree of wear resistance.

At present, in order to improve the toughness of cold heading molds, alloys with high cobalt content (mass fraction of about 20%) are generally used in production. However, the thermal expansion coefficients of WC and Co are very different, and the inside of the alloy will be lower than that of cobalt during the cooling process. The alloy produces greater tensile stress, which causes the cold heading die to easily crack and fall off during use, and the service life is short. Metal Co has two crystal structures of face-centered cubic cobalt (fcc) and close-packed hexagonal cobalt (hcp). Face-centered cubic cobalt (fcc) has good plasticity, but has low hardness and is easy to deform. The plasticity of close-packed hexagonal cobalt (hcp) Poor, but high hardness and good wear resistance. After sintering, most of the metallic Co in the alloy exists in the form of face-centered cubic cobalt (fcc), especially in low-carbon alloys, and the metallic Co almost completely exists in the form of face-centered cubic cobalt (fcc). In this case, although the toughness of the cemented carbide for cold heading die is good, the wear resistance is insufficient and the overall performance is poor.


Specification
Model
Inner cavity dimension
(L*W*H)
External dimension
(L*W*H)
Freezing capacity
L/KG(hour)
SLX-433
400*350*350
1300*800*1050
50L/80KGS
SLX-544
500*400*400
1410*830*1080
80L/150KGS
SLX-655
600*500*500
1500*900*1130
150L/300KGS
SLX-755
700*500*500
1600*1030*1140
250L/500KGS
SLX-966
900*500*500
1850*1230*1210
324L/650KGS
SLX-1077
1000*700*7001950*1280*1290
490L/1000KGS
SLX-1288
1200*800*800
2150*1330*1340
769L/1500KGS
SLX-1499
1400*900*900
2350*1580*1470
1000L/2000KGS
Why take cryogenic treatment of the workpiece?
* To improve the hardness and strength of workpiece
* To improve the abrasion resistance of workpiece
* To improve the impact toughness
* To improve the fatigue strength

* To improve the corrosion resistance of workpiece
* To improve the internal stress distribution of workpiece
* To ensure the dimension accuracy of workpiece

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