Joiner Machinery Co., Ltd. |
Verified Suppliers
|
|
Mixing is an essential function in an extruder.The goal of mixing
process in an extruder is to increase the uniformity of the
composition.
1. Brief introduction:
Name | Star Mixing Screw Elements |
Diameter | 15.6-200 mm |
Spline | Involute inner spline |
Screw type | Double Screw |
Hardness | HRC58-62 |
Surface treatment | Vacuum quenching |
Function | Mixing |
Certification | ISO9001:2015 |
Application | Plastic industry/ Wood industry /Food industry |
All types | Convey Screw Segment Mixing Screw Segment Kneading Block Disk Transition Screw Element Deep groove transfer element Screw element for side feeder Others |
Materials | For wear application Tool Steel W6Mo5Cr4V2 PM HIP material WR5 WR13 WR14 CPM10V CPM9V For corrision application Nitrided Steel 38CrMoAI PM HIP material WR13 WR14 CPM10V CPM9V For wear and corrision application PM HIP material WR13 WR14 CPM10V CPM9V Other materials Stainless Steel 316L C276 etc |
2. Process of making:
3. Quality Control:
a. Materials control: All the materials are purchased from the
domestic brands or Eurpean twin-screw specialty materials
suppliers,which tested by elemental analysis and metallurgical
inspections to ensure the quality.
b. The internal splines is checked by the spline plug to ensure
interchangeability of the elements
c. All components are machined by CNC machines to ensure the shapes
and tolerances of the elements
d. Adopt the European high-speed steel powder processing
technology,and do the treatment according to the strict heat
treatment 4.process to ensure the wear and corrosion performance
same as the foreigh brands.
e. Perfessioal technical team can not only provide timely and
accurate mapping sample design but also the combination of elements
of technical services.
f. There are various prepared technical information and the
fitxtures for the various brands extruders to ensure the timely
lead time.The common components have a lot of stock, even the new
one, it can be delivered within 60 days.
g. The modern management system can ensure the products 100%
qualified and tracked
4. Heat treatment :
As we all know, heat treatment is very important in the screw
production process. In order to ensure the quality of products,
Joiner has purchased professional heat treatment equipment to
produce, so that we can control the construction process by
ourselves.
5. Product accuracy
There are some differences between Joiner Machinery and Nanjing's
production technology. Their finishing process is carried out
before heat treatment, and the deformation after heat treatment is
not controlled, so their accuracy is not easy to control. But our
finishing process is carried out after heat treatment, which can
eliminate the deformation of parts in heat treatment, so the
precision is higher, and thus can achieve zero seam connection.
6. Production and Inspection of Equipment
We also have advantages in production equipment and inspection
equipment.
Joiner has more than130 advanced equipments such as CNC thread
grinder, CNC thread milling, CNC kneading block grinder, CNC
forming milling, 4-axis machining center, automatic deep hole
grinder, CNC lathe, CNC surface grinder, CNC external grinding, CNC
band saw, laser marking machine, vacuum quenching furnace and
vacuum tempering furnace. After the raw materials enter the market,
all the processing procedures are in-house.
7. Packing:
Standard packing with paper box or wooden boxes depending on
quantity of screw elements.
To product:
a. antirust processing,
b. paper package,
c. bubble,
d. fixed in the box or case;
f. confirm the delivery.