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  • Plastic Top Chain

TTUPM838H Type

Plastic Top Chain with a 25.4mm chain pitch.

Ideal for preventing chain floating on curved sections when used in combination with magnet-embedded plastic rails.

Notice: Changes to the material used in metal core pins of ALF Series/HG Series TTUPM838H Type (2019 01.01)

TTUPM838H

1. Feature

  • TTUPM-H Type uses the world’s first special double layer D-type plastic pin combining both plastic and metal. It possesses all the features of plastic while preventing floating through magnetism.
  • Special double layer D-type plastic pins use special engineering plastic where they slide against the links to further minimize wear elongation in contact with water and prolong the life of the chain.
  • 15% lighter than all-metal pins for more energy savings.

Wear Elongation Comparison

Wear Elongation Comparison chart

Reduces Chain Weight

Reduces Chain Weight chart

Comparison with weight of all-metal pin chains as 100.

Reduces capacitance

Reduces capacitance chart

Comparison with all-metal pin capacitance as 100.

Click to enlarge each graph.

2. Features of CB Series

CB = Low friction, anti-wear series
A series with a slipperiness between LF and ALF Series.

Comparison of dynamic coefficient of friction between conveyed items and top plates

Top plate material Conveyed item material
Aluminum and steel cans Glass bottles Plastic containers Paper packs UHMW-PE
Standard 0.25 0.22 0.25 0.31 0.25
LF 0.20 0.14 0.17 0.29 0.20
HG 0.20 0.14 0.17 0.29 0.20
CB 0.19 0.12 0.16 0.29 0.20
ALF 0.14 0.10 0.13 0.22 0.15

(Measuring conditions: Dry running, 60m/min speed)

3. Structure

Click the image of each structure to enlarge.

Structure of TTUPM-H Series

Special double layer D-type plastic pin

Special double layer D-type plastic pin illustration

Combination of links and pins

Combination of links and pins illustration

Combination of rail and chain

Combination of rail and chain illustration

Combining TTUPM-H and WT2515G-M Types

The image is just one installation example.

WT2515G-M and Side-flexing TTUPM838H types can be installed on the same shaft, which allows for simple conveyor design for multi-lane applications. *The above image is just one installation example.

4. Model Numbering Example

TTUPM 838 H - CB
(1) (2) (3) (4)
  1. (1) Model
  2. (2) Plate width: 838 = 83.8mm
  3. (3) Type
  4. (4) Series code: CB = Low friction, anti-wear series (blue), ALF = Ultra-low friction and wear resistant r series (Light blue), HG = Low friction, anti-wear series (Navy blue)

We will change the material used in metal core pins of ALF Series/HG Series TTUPM838H Type on orders received from January 2019.

  • For the core pin of special double layer D-type plastic pin of TTUPM838H Type, ALF Series, and HG Series will change from an NEP (Neptune) pin to a stainless steel pin (made to order products).
    *The material used in the core pin of CB Series will not change (nickel plated steel).

change the material used in metal core pins

Notice: Integration of ULF Series with ALF Series

  • We will be integrating ULF Series Plastic Top Chain with ALF Series on orders from April 2017.
  • We will be integrating ALF Series with ULF Series Plastic Modular Chain and Plastic Block Chain on orders from June 2017.
  • Contact a Tsubaki representative for more information regarding ULF Series after integration.
  • ALF Series (ultra-low friction and wear resistant series) dramatically reduces the amount of wear debris generated from sliding with running rails (ultra high molecular weight polyethylene) under non-lubricated conditions while maintaining the same ultra low coefficient of friction coefficient as the conventional ULF Series.