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Yiming-Essebi Machine Series Center

Home Thread Rolling Machine CTR5N Large High-speed Thread Rolling Machine with 30° Inclined Feeding, Producing Screws Up To 38mm Long And 3–5mm in Diameter
CTR5N Large High-speed Thread Rolling Machine with 30° Inclined Feeding, Producing Screws Up To 38mm Long And 3–5mm in Diameter
CTR5N Large High-speed Thread Rolling Machine with 30° Inclined Feeding, Producing Screws Up To 38mm Long And 3–5mm in Diameter
CTR5N Large High-speed Thread Rolling Machine with 30° Inclined Feeding, Producing Screws Up To 38mm Long And 3–5mm in Diameter
CTR5N Large High-speed Thread Rolling Machine with 30° Inclined Feeding, Producing Screws Up To 38mm Long And 3–5mm in Diameter
CTR5N Large High-speed Thread Rolling Machine with 30° Inclined Feeding, Producing Screws Up To 38mm Long And 3–5mm in Diameter
CTR5N Large High-speed Thread Rolling Machine with 30° Inclined Feeding, Producing Screws Up To 38mm Long And 3–5mm in Diameter
CTR5N Large High-speed Thread Rolling Machine with 30° Inclined Feeding, Producing Screws Up To 38mm Long And 3–5mm in Diameter
CTR5N Large High-speed Thread Rolling Machine with 30° Inclined Feeding, Producing Screws Up To 38mm Long And 3–5mm in Diameter
CTR5N Large High-speed Thread Rolling Machine with 30° Inclined Feeding, Producing Screws Up To 38mm Long And 3–5mm in Diameter
CTR5N Large High-speed Thread Rolling Machine with 30° Inclined Feeding, Producing Screws Up To 38mm Long And 3–5mm in Diameter
CTR5N Large High-speed Thread Rolling Machine with 30° Inclined Feeding, Producing Screws Up To 38mm Long And 3–5mm in Diameter
CTR5N Large High-speed Thread Rolling Machine with 30° Inclined Feeding, Producing Screws Up To 38mm Long And 3–5mm in Diameter

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A Large High-Speed Thread Rolling Machine with 30° inclined feeding, capable of producing screws up to 38 mm in length and 3–5 mm in diameter, operates on the principle of cold forming or thread rolling. This process involves shaping threads through plastic deformation rather than cutting, resulting in stronger and more precise threads.
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Specification


ITEMMODEDIAMETERSCREW
LENGTH(mm)		THREAD LENGTH(mm)MOVING DIES STATIONARY LENGTHMAIN MOTOR(HP)MAX.OUTPUT
(PCS/MIN.)		APPROX.WT(KG)MACHINE SIZE(mm)
1CTR21-3252051/64/191270-33010001068x968.5x1215
2CTR42-4383265/75/202230-30012001417x1170x1383
3CTR53-5383276/89/253170-28014001900x1100x2100
4CTR5N3-5383876/89/253170-28015001900x1200x1400
5CTR6N4-650-755090/105/255/7.5170-26020002200x1400x1700
6CTR8N5-875-10050108/127/25+127/140/257.5/10110-23024002400x1400x1800
7CTR9N6-910050127/140/2515100-21044002700x1600x1800
8CTR10N6-10100-25065150/165/252080-17048003100x1700x2000
9CTR12N8-12100-35075190/215/353075-13060003800x1700x2200
10CTR16N10-16150-20080230/265/384070-11088003700x2000x2600
11CTR20N14-20150-20080290/330/505065-70135004200x2000x3400
12CTR24N16-24200150380/420/506035-60235004900x2400x2600
13CTR30N20-30200150450/500/607525-40(30000)(5200x2400x3000)
14CTR38N24-38300150550/600/6010020-35(50000)6400x3600x4000


Step-by-Step Working Principle


1. Material Feeding (30° Inclined System)

  • The machine uses a 30° inclined feeding mechanism to guide cylindrical blanks (prepared rods or wire cut-offs) into the rolling station.

  • This angle ensures smooth entry, better alignment, and reduced vibration during high-speed operation.

2. Thread Rolling Dies Engagement

  • Once the blank is positioned between two rotating thread rolling dies, they begin to close around it.

  • These dies are engraved with the inverse profile of the desired thread form.

3. Cold Plastic Deformation

  • As the dies rotate and apply high pressure, the material surface undergoes plastic deformation.

  • Metal flows into the grooves of the dies, gradually forming accurate external threads without removing any material.

4. Synchronized Motion for Precision

  • The motion of the dies is synchronized to ensure even pressure and consistent thread geometry across the full length of the screw (up to 38 mm).

  • CNC or PLC control systems maintain tight tolerances and adapt to different thread types (metric, UNC, UNF, etc.).

5. Finished Product Ejection

  • After the rolling cycle completes, the formed screw is ejected from the machine.

  • Optional automatic sorting and collection systems can be integrated for continuous production.


Key Advantages of this working principle


BenefitDescription
High SpeedCapable of producing hundreds of screws per minute.
Improved StrengthCold working increases surface hardness and fatigue resistance.
Material EfficiencyNo material is removed—ideal for cost-sensitive operations.
Superior Surface FinishSmoother threads compared to machining methods.
Precision & ConsistencyCNC-controlled parameters ensure repeatable quality.