SPC 355-6 TB 3535 (typ 6)
V-Belt Pulley
Pulley Parameters
Nominal diameter, datum diameter or working diameter of the pulley. It is commonly denoted as Dm or Dm, and sometimes also as Dw or Dw.
The number of grooves corresponds to the number of ribs on the belt.
In the TYMA Product Catalogues you can find this material also described with the abbreviation GG.
Pulley Description
SPC 355-6 TB 3535 (typ 6) is a V-belt pulley for Taper Lock bushes. It is made of gray cast iron. Its design is based on the ISO 4183 (DIN 2211) standard.
The pulleys are mounted to the shafts using Taper Lock cone bushes (TB 3535), thanks to which there is not only the fixing on the shaft with a keyway, but also the axial locking against displacement.
Pulley Fields of Use
The SPC V-belt pulleys for Taper bush meet the highest requirements of modern drive technology and are used in all areas of mechanical engineering, from fine mechanics to heavy engineering.
They are typically used in compressors, blowers, machine tools, in the paper and chemical industry and in many other machines.
Pulley Material
Fine grain cast-iron grade 220–260.
Other materials to order.
| Parameter | Standard |
|---|---|
| Eccentricity of O/D to bore | DIN 2211 Part. 1 |
| Groove side wobble tolerance | DIN 2211 Part. 1 |
| Surface roughness | ISO 254 |
| Balance quality grade | VDI 2060, ISO 1940 |
Pulleys with Dw > 125 mm are statically balanced, degree q 6.3 at 1500 rpm. On request, the pulleys can be balanced dynamically in two planes, degree q 6.3 - q 2.5.
Documents for Download
Dimensions and Parameters of SPC V-Belt Pulleys for Taper Lock Bushes
TYMA CZ Data Sheets
Czech and English (PDF 178.02 kB)
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Measuring Instruments
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Manufacturer Profile
The group SIT S.p.A develops, engineers, manufactures and distributes high quality solutions and components for power transmission for industrial applications of excellence worldwide, with the aim of increasing the productivity of its customers’ machines and systems. With operations on 3 continents, SIT manufactures pulleys, rubber and polyurethane belts, drive couplings, locking assemblies and a wide range of accessories.
SIT belongs to a large industrial group that dates as far back as 1838. Today, thanks to over 50 years of specific experience in power transmission and a close-knit team of highly qualified professionals, the Group engages in constant technological innovation in order to offer the best application solutions in mechanical power drives.
