Knotter and binding technology from Group Schumacher

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Baling

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Tying systems

rasspe® tying systems for stationary balers
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Knotters

Single knotters or double knotters – the right technology for each type of baler
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The technology for knotting and tying

The system specialist
The processes of knotting and tying have a major impact on the overall performance and efficiency of a square baler. We offer technical solutions for different harvesting conditions worldwide. Our single and double knotters ensure tying systems operate reliably and effectively.

For David and Goliath

The best knotter
for each baler

The type of baler is important
Knotters are specified to the type and size of the baler. There are knotters for small balers and big balers. These baler types have different knotter compartments and produce various bale densities and annual outputs.

Hay bale tied with knotter

THINGS TO KNOW

How knotters work

STRING, LOOP AND HYBRID KNOTS

There are two ways of defining a knotter:
By the type of knot it produces or by the tying system.
There are three types of knots – string knots, loop knots and hybrid knots.

Loop knots Cormick system

Loop knots

Cormick system

N

The tail is formed into a loop

N

The knot is made without straining the rope

N

Maximum utilization of twine strength

String knots Deering system

String knots

Deering system

N

The tail end is pulled through the knot

N

The twine strength is not fully utilized

Hybrid knots Deering system

Hybrid knots

Deering system

N

One tail end is formed to a loop

N

One tail end is pulled through the knot

N

No tail is cut off (Active Tailless Single Knotter technology)

One knot or two knots

The difference between the two tying systems lies in the number of knots produced.
Double knots have enormous advantages for high-density square balers.

Single knotter

Single knotter

 

N

Each knotter handles one twine

N

Each twine is tied into one knot

N

The tail is pinched by the retainer while the bale is being built in the chamber

Double knotter

Double knotter

 

N

Each knotter ties one twine which is split into an upper and lower thread

N

Each twine is tied into two knots

N

The twines are not under tension as the bale is being formed in the chamber

Knotter program

Group Schumacher Mähdrescher

LOOP KNOTS

Cormick system

Group Schumacher Pressen

STRING KNOTS

Deering system

Group Schumacher Spezialanwendung

HYBRID KNOTS

Deering system

Single knotter

RS 8000

RS 6002, RS 6003

RS 6004, RS 6006

RS 6101

RS 6003, RS 6101

Double knotter

RS 9000

RS 1450, RS 6131

RS 8800

Baling

Knotter technology

Group Schumacher RS single knotters

Single knotters

Single knotters are typically used on balers with 2 or 3 knotters. HDC (High Duty Combination) variants are found on square balers where 4 to 6 knotters are arranged on each drive shaft.

N

For small and big balers

N

For hay, straw and silage bales

N

For high-density bales

N

Available with retrofit auto lubricator

Group Schumacher RS double knotter

Double knotters

Double knotters for high-density balers and high-duty knotter systems have up to 8 knotter modules on each drive shaft.

N

For big balers

N

For hay, straw and silage bales

N

For highest-density bales

N

HDC double knotter

N

Double loop knotter

Group Schumacher knotter spare parts

Knotter parts

Made in line with the highest quality standards, these knotter parts are refined to the highest levels of precision and maximum reliability.

N

Extended service lives

N

Made with rasspe® high quality standards

N

Dependable knots