• Tsd Series Screw Dosers for Plastic Industry
  • Tsd Series Screw Dosers for Plastic Industry
  • Tsd Series Screw Dosers for Plastic Industry
  • Tsd Series Screw Dosers for Plastic Industry
  • Tsd Series Screw Dosers for Plastic Industry
  • Tsd Series Screw Dosers for Plastic Industry

Tsd Series Screw Dosers for Plastic Industry

After-sales Service: Engineers to Assist Remote Installation and Use.
Warranty: 1 Year
Motor Power: 30W
Motor Rotation Speed: 600rpm
Power of Mixing: 90W
Screw Dia.: 12mm
Diamond Member Since 2023

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  • Overview
  • Product Description
  • Detailed Photos
  • Specification Sheet
  • Features
  • Options
  • Application
  • About Us
  • Q&A

Basic Info.

Model NO.
Transport Package
Wooden Case Packing
Guangdong, China
HS Code
Production Capacity
300 Units Per Year

Product Description

Product Description

TSD Series Screw Dosers for Plastic Industry

Screw Doser is suitable for automatic proportion mixing of virgin, regrind material, masterbatch and or various additives. The series adopt imported brushless DC motor according to the preset portion of mixing via full digital microcomputer control system set conditions automatically converted into the required speed (rpm) direct drive, metering with an accuracy of ± 1% from set points, drive precision screw to the barrel of IMM or extrusion for adding required material. This series is very suitable for the application of IMM & extrusion.
Tsd Series Screw Dosers for Plastic Industry

Detailed Photos

Tsd Series Screw Dosers for Plastic IndustryTsd Series Screw Dosers for Plastic Industry

Specification Sheet

MODEL Single  Color  Screw Dosers  Double Color Screw Dosers
TSD-3012 TSD-3016 TSD30-20 TSD30-24 TSD30/30 TD30/50 TSD-50/50
Motor Power W 30 30x2
Motor Rotation Speed RPM 600
Power of Mixing  W 90
Screw Dia. MM 12 16 20 24 XX XX XX
Output Capacity KG/HR 0.1-3 0.3-10 0.4-20 0.8-38 X X X
Material Storage Tank L 12 12X2
Reduction Ratio   30 30/30 30/50 50/50
Machine Dimensions  H(MM) 520 520
W(MM) 600 1050
D(MM) 300 300
Weight KG 25 50


1. PLC control system and man-machine interface touch panel, only need to input molding data, that is, automatic calculation of the required rotation speed, simple operation, and adopt unique compensation optimization, can accurately meter masterbatch and regrind material adding proportion. 
2. The screw diameter is divided into 12, 16, 20, 24 and so on, providing 0.1-100kg/hr of different output for customers to choose, and double color screw doser, can be combined with any two screw doser according to customer needs.
3. The screw adopts chrome coating treatment, durable, screw installation angle can be adjusted, so it makes material feeding into the best condition.
4. 50 sets of parameter recipes are available for permanently recording and reading function, operating machines quickly without adjusting parameters again. It is easy to manage molding data and recipes.
5. Using DC brushless motor, reliable control, long service life, no maintenance.
6. Module dismantled design, easy for clean and change screw & sleeve.
7. Meet the requirements of external signal input, can be applied to extruder, just a little wiring conversion. And the extruder can be synchronized with the main screw acceleration, deceleration operation.
8. It can detect abnormal situation of masterbatch stuck and overloading. It will automatically stop machine and alarm to ensure the continuous normal operation of the machine.
9. Material level detection sensor is available as option, alarm for material shortage.



Tsd Series Screw Dosers for Plastic Industry


Screw doser is mainly used in injection molding and plastic processing industry, suitable for automatic proportion mixing of virgin material, regrind material, masterbatch or additives. It can ensure that the molding process can be easily and quickly according to the different percentage requirements of the raw material into a variety of uniform mixtures.

About Us

Tongyi originated from Taiwan, in order to meet the needs of mainland customers, in April 1999, the company set up an assembly plant in Dongguan of the Pearl River Delta, and began to sell some of its products to the Pearl River Delta market. Adhering to the purpose of "excellence, quality first", the company is committed to the research and development of intelligent automation equipment innovation, intelligent manufacturing and the whole plant planning, to provide intelligent factory overall solutions, is a professional engaged in intelligent automation equipment, design, research and development, production, sales and service in one of the intelligent manufacturing high-tech enterprises.

In order to meet the needs of customers in the YangtzeRiver Delta, in August 2011, we established an assembly plant in Suzhou of Yangtze River Delta. With abundant manufacturing experience and high-quality service, we provide customers with intelligent manufacturing automation equipment for the whole plant. With the rising costs in mainland China and the relocation of some manufacturing plants, adhering to the concept of always serving customers, we established a company in Hanoi, Vietnam, Southeast Asia, in May 2017, to provide overseas customers with the whole plant planning, technical support, talent training and plant construction and production needs. 

Tongyi has always been customer-centric, with talent and technical advantages to assist customers from stand-alone automation system, system automation to intelligent automation production development needs. In addition, it has 6 production bases at domestic and abroad, including 2 in South China, 1 in Central China, 2 in East China, and overseas Vietnam, and has set up a number of holding companies in the country, many service bases to provide customers at domestic and abroad with better and more immediate service, fast processing to meet customer needs, and create value for customers.


Q: Are you a manufacturer?

A: Yes, we have seventeen years experience in equipment manufacturing.

Q: Do you support OEM?
A: Yes, we have our own brand, and also support ODM, OEM.

Q: How about your warranty?
A: All of our products for one years warranty.

Q: How about your average lead time?
A: Peak Season Lead Time: within 15 workdays. Off Season Lead Time: within 15 workdays.

Q: What's your payment term?
A: The payment term is 70% prepayment, 30% balance before delivery.


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