Bonnell Innersprings Units

Bonnell Innersprings Units

We use steel wire at fully automotic Hercules and Bonnell transfer machines. Spring unit production capacity is annually 1.500.000 pcs. The samples of these units are taken from each machine in every shift are checked in the laboratory. We rollpack our spring units with craft paper which gives the advance of transportation and storage.

YILMAR producing standard and customer specific products, according to the dimensions given by our foreign and domestic partners, in order to meet sector needs is serving you with countless options with its expert staff. 

 

BONNELL SPRING UNIT TECHNICAL SPECIFICATIONS
DIMENSIONAL SPECIFICATIONS SPRING UNIT TYPES
TURN NUMBER SPRING UNIT HEIGHT [mm] WIRE DIAMETER [mm] NO END HELICALS WItd END HELICALS DOUBLE SIDE WItd END HELICAL AND FELT ONE SIDE WItd FLAT FRAME ONE SIDE WItd FLAT FRAME AND FELT DOUBLE SIDE WItd FLAT FRAME DOUBLE SIDE WItd FLAT FRAME AND FELT ONE SIDE WItd ROUND FRAME ONE SIDE WItd ROUND FRAME AND FELT DOUBLE SIDE WItd ROUND FRAME DOUBLE SIDE WItd ROUND FRAME AND FELT
4 TURN 90 2,10 2,20 2,30 2,38 2,45 12 12 X X X X X X X X X
100 12 12 10 12 10 10 NoRP NoRP NoRP NoRP NoRP
110 12 12 10 12 10 10 NoRP NoRP NoRP NoRP NoRP
120 X X NoRP NoRP NoRP NoRP NoRP NoRP NoRP NoRP NoRP
5 TURN 120 10 10 X X X X X X X X X
130 10 10 8 10 8 8 NoRP NoRP NoRP NoRP NoRP
140 10 10 8 10 8 8 NoRP NoRP NoRP NoRP NoRP
150 10 10 8 10 8 8 NoRP NoRP NoRP NoRP NoRP
160 X X NoRP NoRP NoRP NoRP NoRP NoRP NoRP NoRP NoRP
6 TURN 150 10 10 X X X X X X X X X
160 10 10 NoRP NoRP NoRP NoRP NoRP NoRP NoRP NoRP NoRP
170 X X NoRP NoRP NoRP NoRP NoRP NoRP NoRP NoRP NoRP
7 TURN 180 NoRP NoRP NoRP NoRP NoRP NoRP NoRP NoRP NoRP NoRP NoRP
190 NoRP NoRP NoRP NoRP NoRP NoRP NoRP NoRP NoRP NoRP NoRP

 

8-10-12: Maximum number of spring units in one roll
NoRP: No Roll Pack
X: No Production
Helical Wire Diameter [mm]: 1,40 [mm]
Flat Frame Sizes [mm]: 1,4x8 [mm] - 1,4x10 [mm]
Round Frame Diameter [mm]: Minimum: 3,00[mm] - Maximum: 5,00 [mm]
Zoned Products: 3 or 5 Zoned spring units can be produced