We supply conical twin screw barrels apply for SJSZ, Cincinati, Battenfeld, Amut, WEBER,KRAUSS-MAFFEI
Nitrided+bimetallic barrel
Bimetallic barrel, (groove bimetallic)
Conical barrels
Screws:bimetallic conical screws
Bimetallic screws:
Our specification
1.Show you how to process the screws
2.Show you how to process barrels
,BOY and so on.
We have large numbers of drawings and we also could design for you according to your detail requirements,such as your raw plastic materials,your final products and others.
Product show:We have large numbers of drawings and we also could design for you according to your detail requirements,such as your raw plastic materials,your final products and others.
Technical specification
Hardness after hardening&tempering:HB240-280
Hardness of nitride layer:HV850-1000
Nitrided brittleness:less than grade 2
Surface roughness:Ra0.4
Screw straightness:0.015mm
Surface chromiun-plating's hardness after nitriding:≥900HB
Alloy hardness:HRC50-65
Alloy depth:0.8-2.0mm
Meterial&processes
Quality 38 CrMoALA
42CrMo
CW6Mo5Cr4V2
9Cr18MoV
Quality powder metallurgy raw materials
Cold/thermal spray hard metal process
Advanced nitriding process
Corrosion & abrasion resistance bimetallic spraying process
The specification of the conical twin-screws barrel
∮35/75 ∮37/75 ∮45/90 ∮45/97 ∮50/105 ∮51/105 ∮55/105 ∮55/110
∮55/120 ∮58/125 ∮60/115 ∮65/125 ∮65/120 ∮65/132 ∮70/140 ∮75/150 ∮80/143 ∮80/156 ∮92/188
The compression ratio of the screw canbe designed according to different products and mixtures.
Technical Parameter
We delievery more than 60 sets of screw and barel every day,and about 50% is conical twin screw barrel
Technical Parameter
Hardness after Hardening&tempering: | HB280-320 |
Nitrided Hardness: | HV900-1050 |
Nitrided Case Depth: | 0.5-0.8mm |
Nitrided Brittleness: | Less than Grade 2 |
Surface Roughness: | Ra 0.4 |
Screw Straightness: | 0.015mm |
Surface Chromium-plating's Hardness After Nitriding: | ≥900HV |
Chromium-plating Depth: | 0.025~0.10mm |
Alloy Hardness: | HRC56-65 |
Alloy Depth: | 0.8~2.0mm |
Bimetallic Thickness: | 2-5mm |
Bimetallic Hardness: | HV950-1100 |
Nitrided+bimetallic barrel
Bimetallic barrel, (groove bimetallic)
Conical barrels
Screws:bimetallic conical screws
Bimetallic screws:
Our specification
1.Show you how to process the screws
2.Show you how to process barrels
3.Show you the nitrogenation oven where nitrided screw and barrels
(Yes,we own the nitrogenation oven, this is in our company)
4.Testing: the picture is our workmen are testing the half-finished products.
(We test each processing step to make sure your good quality)
About HUACHEN
Our dedicated team of professionals ensures that we produce only defect-free products so as cater to the long list of clientele. We process great process knowledge for designing different set of products according to the specific requirements of our customers. Besides, our team members work in complete synchronization with the clients formeeting their varied industry needs and demands.
Welcom to contact us!
My skype: lillianyao0421
Choosing us is the best thing you have ever decided, and it's also our honour to be friends with u. Have a try.
