Transcyko CRP Co-Rotating Twin Screw Extruder Gearboxes

Transcyko CRP co-rotating twin screw extruder gearboxes give you precision power transmission for demanding rubber and plastic extrusion processes. The high torque density and thermal resilience of our CRP gearboxes increases load bearing capacity in a compact format without compromising service factors or routine maintenance requirements.

OEM Twin Screw Extruder Gearboxes | Transcyko

Two types of CRP co-rotating twin screw extruder gearbox

Transcyko manufactures two types of CRP co-rotating twin screw extruder gearboxes, CRPA and CRPB, which are designed to provide different torque densities. Both CRPA and CRPB twin screw extruder gearboxes feature high power density, precision helical bevel gears that deliver synchronised, high-torque power transmission simultaneously to both screws. 

  • CRP co-rotating twin-screw extruders feature reduction ratios from 1.5 – 5.0
  • CRPA co-rotating twin screw extruders for high torque density 14-16 Nm/cm³ for each shaft
  • CRPB co-rotating twin screw extruders for medium torque density 12.5 Nm/cm³ for each shaft

Our twin screw extruder gearboxes maintain precise speed ratios even under continuous heavy load. This is of critical importance for plastic and rubber extrusion lines, because even minor variations in screw speed results in imperfect mixing and inconsistent flow.  Transcyko CRP co-rotating twin screw extruder gearboxes are included in our comprehensive range of rubber extruder gearboxes.

Precision power transmission for heavy duty rubber & plastic extrusion

Precision power transmission for heavy duty rubber & plastic extrusion

The co-rotating twin screw configuration gives you precision power transmission as both screws turn in the same direction at identical speeds. This makes Transcyko CRPA and CRPB the perfect choice for heavy duty and demanding rubber and plastic extrusion, delivering the consistent intermeshing that makes CRP gearboxes ideal for compounding, mixing, and reactive extrusion.


Size / Model Nominal Ratio (i) Input Speed n1 [min−1] Output Speed n2 [min−1] Rated Torque per Shaft Mt [Nm] (Fs = 1.5) Rated Total Torque Mt [Nm] (Fs = 1.5)
CRPA 21.5/26* 1.5–5 1500–1800 300–1200 123 246
CRPA 26.2/32* 1.5–5 1500–1800 300–1200 265 530
CRPA 35/42* 1.5–5 1500–1800 300–1200 627 1254
CRPA 42/52* 1.5–5 1500–1800 300–1200 1161 2322
CRPA 48/58* 1.5–5 1500–1800 300–1200 1666 3332
CRPA 58.5/70* 1.5–5 1500–1800 300–1200 3136 6272
CRPA 76/92* 1.5–5 1500–1800 300–1200 6762 13524
CRPA 86/104* 1.5–5 1500–1800 300–1200 9973 19946
CRPA 97/120* 1.5–5 1500–1800 300–1200 13230 26460
CRPA 110/133* 1.5–5 1500–1800 300–1200 18675 37350
CRPA 120/144* 1.5–5 1500–1800 300–1200 24475 48950

Size / Model Nominal Ratio (i) Input Speed n1 [min−1] Output Speed n2 [min−1] Rated Torque per Shaft Mt [Nm] (Fs = 1.2) Rated Total Torque Mt [Nm] (Fs = 1.2)
CRPB 26.2/32* 1.5–5 1500–1800 300–1200 224 448
CRPB 35/42* 1.5–5 1500–1800 300–1200 385 770
CRPB 42/52* 1.5–5 1500–1800 300–1200 889 1778
CRPB 48/58* 1.5–5 1500–1800 300–1200 1249 2498
CRPB 52/65* 1.5–5 1500–1800 300–1200 1760 3520
CRPB 58.5/70* 1.5–5 1500–1800 300–1200 2470 4940
CRPB 64/77* 1.5–5 1500–1800 300–1200 3095 6190
CRPB 76/92* 1.5–5 1500–1800 300–1200 4809 9618
CRPB 90/112* 1.5–5 1500–1800 300–1200 7923 15846
CRPB 100/120* 1.5–5 1500–1800 300–1200 11753 23506
CRPB 110/130* 1.5–5 1500–1800 300–1200 18234 36468

Transcyko co-rotating twin screw gearboxes deliver high torque density

You can maximize your floor space and increase throughput by using Transcyko high torque density co-rotating twin screw extruder gearboxes. Precision ground, case-hardened gears increase resistance to heavy loads and resist thermal overload. 

Efficient lubrication ensures stable operating temperatures that support long production runs and extended duty cycles, while minimizing maintenance overheads. We also offer customized lubrication and design solutions to precisely match your needs, to ensure you do not suffer from premature failures due to thermal damage to gears and bearings no matter how heavy duty your requirements. 

Versatile CRP extruder gearboxes can mix many different products

Versatile CRP extruder gearboxes can mix many different products

Transcyko CRP twin screw co-rotating extruder gearboxes deliver consistent mixing action driven by the synchronised output shafts, which is extremely effective for a wide range of products, including single materials as well as compounds and plastic and rubber products that incorporate fillers and reinforcements.

  • EPDM, SBR & NBR rubber
  • Silicon compounds
  • PVC, TPE & TPU plastics
  • Filled polymer blending
  • Reinforced polymer blending

The consistent, synchronised mixing action of CRP co-rotating twin screw extruder gearboxes make them an excellent choice for compound mixing that includes fillers, plasticisers, vulcanising agents and pigments. Transycko CRP gearboxes are especially suitable for production lines that require uniform and predictable results.

Reliable twin screw extruder gearboxes by Transcyko

Transcyko twin screw extruder gearboxes are built to the same exacting standards as other Transcyko gearboxes, and with the same engineering focus on long-term reliability and ease of maintenance. Transcyko achieves DIN4 German DIN 3962 standard (JIS 0) gear grinding precision for our CRPA and CRPB co-rotating twin-screw extruder gearboxes. Not only are our twin screw extruder gearboxes extremely efficient, reducing running costs, they are also extremely reliable and easy to maintain.

Matching Transcyko gearboxes to your extruder requirements

Matching Transcyko gearboxes to your extruder requirements

You need to ensure that your CRP co-rotating twin screw gearbox is correctly matched to the specific engineering requirements of your extruder for the intended process. Torque output, input speed and gear reduction ratio can all be rapidly matched, but we also need to consider axial thrust and back-pressure to select the best combination of gears, bearings and other components. 

Contact our engineers who will be very happy to provide expert advice and feedback to ensure that you get the best possible gearbox for your needs, and provide you with the Transcyko product that will deliver the reliability and consistent performance that is required for successful, efficient, rubber and plastics manufacturing. 

FAQs

What are the output ratios for Transcyko CRP series co-rotating twin screw extruder gearboxes?
Gear ratios are 1.5-5 across the range of Transcyko CRPA and CRPB co-rotating twin screw extruder gearboxes.
What is the torque density of Transcyko CRP twin screw extruder gearboxes?
Transycko CRPA twin screw extruder gearboxes deliver a high torque density of 14-16 Nm/cm³ for each shaft. Our CRPB co-rotating extruder gearboxes are designed for medium torque density 12.5 Nm/cm³ for each shaft.
What are the quality standards for Transcyko CRP gearbox helical gears?
The CRP series of extruder gearboxes feature 18CrNiMo7-6 case steel involute helical gears ground to DIN4 precision for ultra low noise, high efficiency and maximum durability.
What are the case material options for Transcyko extruder gearboxes?
We offer a range of case material options and finishes to choose from to best suit your working environment. Standard options are FC250 grey cast iron, FCD450 ductile cast iron or steel.
What bearings are used for the axial load of the extruder screw in Transcyko extruder gearboxes?
The bearings for the axial load of the extruder screw are of the 294…E series for high load resistance, and extended reliability.