Double Plus Free Flow Chains
- A Free Flow Chain using a unique combination of small and large diameter rollers to allow high speed conveyance at 2.5x the speed of the chain.
- Low chain speed allows for quiet accumulation.
- A wide range of selections is available by combining four different base chain types with seven different roller types.
- We also feature snap cover chains, which prevent parts from falling into conveyor frames, as well as a complete line-up of accessories.
- A complete line-up of accessories.
- ※The plate contour for Double Plus Chain and Double Plus Chain with snap covers is different.
Be advised that you will not be able to add snap covers to Double Plus Chain that has already been installed.
Double Plus Chain Principle
Click below to learn about the principle of 2.5x free flow conveyance.
Combination of base chain and rollers
Select from a variety of base chains and rollers to meet your needs. Click on the following for more information.
Construction
Without Snap Cover
- ・"X" indicates a press fit.Other parts are slip fit.
- ・In case of Lambda specification.
Bushes are a special oil-impregnated sintered bush.
Bushes are press-fitted into the inner link plate.
Pins are coated with a special nickel plating.
The inner and outer plates have a black oxide coating.
With Snap Cover
- ・"X" indicates a press fit.Other parts are slip fit.
- ・The plate contour for where the snap cover will be attached differs from the Double Plus Chain diagram above.
- ・Snap covers can be attached and removed.
- ・For lambda specifications, refer to the explanation of the structural drawing without the snap cover.
Lineup with snap cover
- ・By attaching the light gray engineering plastic snap covers, you can cover the gap between large and small rollers, and between the small rollers themselves, preventing bolts, nuts, etc. from getting caught or falling through.
About each specification
- ・Standard Series (With / without Snap Cover)
The base chain with Standard Series is steel, and users can pair this with seven different roller types to meet their application needs. (VRPUA and VRPUB are available for RF2030 only.) - ・Lambda Series (With / without Snap Cover)
Lambda Series uses a special oil-impregnated sintered bush for lube-free, long life operation. - ・HCP Series (With / without Snap Cover)
Base chain is hard chrome plated, with rollers available in engineering plastic. Ideal for use in clean rooms and other areas where rust is to be avoided. - ・SS Series (With / without Snap Cover)
Base chain is stainless steel, with rollers available in engineering plastic. Corrosion resistant.
While non-magnetic, it retains slight magnetism from plastic deformation during the parts processing and assembly processes. Contact a Tsubaki representative if a totally non-magnetic chain is needed.
Catalogs ・Instruction Manuals
List of Models
※Click the name for more information.
Double Plus Free Flow Chains
Double Plus Snap Cover Chain
When selecting sprocket specifications
It is necessary to select a sprocket specification that corresponds to the customer's operating environment and the chain specification used.
Please use Double plus chain dedicated sprockets for Double plus chain.
Click here for the chain/sprocket compatibility table.