Head Office
117, Grand Trunk Road, Salkia Howrah-700013, Kolkata, India
Wire Industry Machines
Flat Die Cold Thread Rolling Machine
A six-model flat-die rolling range for cold-forming external threads from small fasteners through larger 7/8-inch work at up to 80 pieces per minute.
Order By Phone
Shipping Information Usually dispatched With In business days
Overview
Product Overview
Flat Die Cold Thread Rolling Machine
The Flat Die Cold Thread Rolling Machine forms external threads by displacing material between a fixed die and a reciprocating die. Because the thread is rolled rather than cut, the process can provide fast production with no thread-cutting chips.
Working Principle
A prepared blank enters between matched flat dies. Relative die motion rotates and advances the blank while the engraved die profile cold-forms the thread. Blank diameter, die setup, feed timing, and material condition must be controlled.
Key Production Capability
PBRT-1 through PBRT-6 cover published diameter ranges from 1/16 × 1/4 inch to 1/4 × 7/8 inch, thread lengths from 2 to 4 inches, output from 30 to 80 pieces per minute, and 2–15 HP power.
Industrial Applications
Typical work includes screws, bolts, threaded pins, studs, and other high-volume fasteners made from material suitable for cold rolling.
Why Choose This Machine?
Flat-die rolling supports rapid cycles, repeatable thread profiles, efficient material use, and a smooth formed surface when blanks and dies are correctly prepared.
Selection and Operating Considerations
Select from blank diameter, material hardness, thread form, pitch, length, required rate, die dimensions, feeder arrangement, and inspection standard. Dies and blanks must be matched as a system.
Pathak Industries supplies this machine with application-based guidance. Confirm the selected model, wire specification, tooling, utilities, guarding, and required output against actual production samples before ordering.
Specifications
Technical Specifications
| Model | PBRT-1 | PBRT-2 | PBRT-3 | PBRT-4 | PBRT-5 | PBRT-6 |
| Min. Max. Dia Can Be Rolled | 1/16" X 1/4" | 1/8" X 1/2" | 1/8" X 1/2" | 1/4" X 5/8" | 1/4" X 3/4" | 1/4" X 7/8" |
| Max. Length of Thread | 2" | 2.1/2" | 3" | 3" | 4" | 4" |
| Dimension of Fixed Dia | 3"X2"X1" | 5"X2.1/2X1" | 5"X3"X1" | 6"X3"X1" | 6"X4"X1" | 7"X4"X1" |
| Dimension of Moving Dia | 4"X2"X1" | 6"X2.1/2"X1" | 6"X3"X1" | 7"X3"X1" | 7"X4"X1" | 8"X4"X1" |
| Production in Pieces Per Minute | 80 | 60 | 60 | 50 | 30 | 30 |
| Power Required in H.P. | 2 | 3 | 5 | 7.5 | 10 | 15 |
FAQs
Frequently Asked Questions
What is the Flat Die Cold Thread Rolling Machine used for?
It cold-forms external threads on prepared blanks for screws, bolts, studs, pins, and similar fasteners.
How does the Flat Die Cold Thread Rolling Machine work?
A moving flat die rolls the blank against a fixed die so their engraved profiles displace material into the required thread.
What is the available working range of the Flat Die Cold Thread Rolling Machine?
Six PBRT models cover the published size range up to 7/8 inch, thread lengths up to 4 inches, and 30–80 pieces per minute.
Which industries use the Flat Die Cold Thread Rolling Machine?
Fastener plants, hardware manufacturers, automotive component suppliers, and general cold-forming units use flat-die thread rolling.
What should be checked before selecting the Flat Die Cold Thread Rolling Machine?
Confirm blank material and diameter, thread profile and length, die size, production rate, feeder, power, and quality tolerances.
How should the Flat Die Cold Thread Rolling Machine be maintained?
Inspect dies and alignment, keep slides lubricated, remove scale, monitor feed timing and drive condition, and replace worn tooling promptly.