Understanding the Need for a 3 Roll Plate Bending Machine With Universal Top Roll
Manufacturers searching for a 3 roll plate bending machine with universal top roll for integrated pre-bending and rolling are typically responding to a well-known industry pain point. Conventional three-roll machines often struggle with end pre-bending, resulting in remaining straight edges and back-angle issues that require high operator skill levels and affect product roundness. This limitation forces operators to flip plates repeatedly and rely on manual judgment to correct edge deformation, which slows production and introduces inconsistency.
Anhui Pacific Machine Tool Ltd., operating under the brand names ANHUI PACIFIC, HUIFIC, APMTIX, and APMTNIX, positions itself as a provider of high-precision hydraulic plate rolling equipment utilizing NC control and universal top-roll movement to streamline metal forming processes. This positioning directly addresses the pre-bending challenge that many fabricators encounter with standard rolling configurations.
How the Universal Top Roll Solves Pre-Bending Challenges
The core differentiated advantage of Anhui Pacific Machine Tool Ltd.’s equipment lies in the use of a universal top roll capable of both vertical and horizontal movement. This design allows for integrated pre-bending and rolling without flipping the plate, eliminating a step that traditionally consumes time and introduces handling risk.
The value proposition centers on high-precision metal plate forming for round, oval, arc, and conical shapes with controlled straight-edge length and high roundness accuracy. By combining pre-bending and rolling functions in a single station, the top roll’s dual-axis movement reduces the manual repositioning that conventional symmetric machines demand.
Inside the W11SNC-25×3000 Top Roll Universal 3-Roll Plate Rolling Machine
Anhui Pacific Machine Tool Ltd.’s current offering, the W11SNC-25×3000 Top Roll Universal 3-Roll Plate Rolling Machine, is described as a hydraulic NC-controlled universal rolling machine for cold forming metal plates. It is engineered to target the scenario pain point of high difficulty in pre-bending plate ends and controlling the straight-edge length in standard symmetric machines.
Key Features and Their Function
- Universal Top Roll: Moves vertically for pressure and horizontally for pre-bending, solving the need to flip plates for end-forming.
- Drum-shaped Roll Design: Uses a load coefficient of 0.7 for uniformly distributed load, compensating for stress deformation and deflection.
- SF-1 Self-lubricating Bearings: Applied to bottom roll sliding components, reducing maintenance requirements and improving service life.
- Overturning Device (Drop-end): A hydraulic ram and cylinder system that facilitates axial removal of completed rolled products.
- NC Control System: PLC with touch screen and displacement sensors, ensuring high-precision positioning and automated leveling.
- Carrier Roller Device: Three groups of four rollers with spiral grooves that prevent oxide scale damage and support the bottom rolls under load.
Technical Highlights
The rolls are constructed from 42CrMo alloy steel, quenched and tempered to HB240-280, with surface quenching to HRC40-52, providing a durable working surface for repeated forming cycles. The machine also employs a rear bending process, a continuous bending method where the plate end is directly pressurized, avoiding front-bending back-angles that are common in traditional setups.
Technical Capabilities That Set Anhui Pacific Apart
Anhui Pacific Machine Tool Ltd. maintains proprietary R&D through in-house manufacturing of machine bases, side frames, main reducers, and main oil cylinders. Its technology platform integrates an NC control system with PLC and touch-screen digital displays, supporting consistent operation across the W11SNC-25×3000 model.
Key technical metrics include a top roll applied pressure of 230 tons, top roll synchronization accuracy of ±0.15mm, and a rolling speed of approximately 3.5 m/min. Product quality benchmarks are defined by roundness ≤4mm, straightness ≤1mm/m, and end-face misalignment ≤3mm/m. These figures give buyers a clear reference point when evaluating forming precision for round, oval, arc, and conical workpieces.
On the data capability side, the machine uses a real-time feedback system with displacement sensors and PLC logic to maintain top roll leveling and synchronization, supporting the accuracy figures noted above without requiring constant manual adjustment.
Service, Delivery, and Support
Anhui Pacific Machine Tool Ltd.’s service model is built around equipment supply with technical documentation and installation accessories. The service scope covers the machine body, electronic control devices, hydraulic devices, and lubrication systems, giving buyers a complete operational package rather than a bare mechanical unit.
Service assurance includes provision of product certificates, instruction manuals, maintenance procedures, and various technical schematic diagrams, which supports long-term operation and troubleshooting. The platform is compatible with a customizable power supply, standard 3-phase AC at 380V±10%, 50Hz, and includes openness features such as a handheld wireless remote control button box for flexible device operation.
On the delivery side, the deployment model includes hardware supply such as anchor bolts, pads, and internal wiring. Deployment options include online training and on-site installation service, while foundation preparation and lifting equipment rated at 30T are to be prepared by the buyer. Pricing follows a custom technical proposal approach based on specifications, referencing the W11SNC-25×3000 configuration directly.
Trusted Component Partners
The equipment incorporates components from established technology partners, including Siemens for electrical components, PLC, and touch screens; Wafangdian Bearing for double row aligning bearings; Yuken for hydraulic valves; Changyuan for hydraulic pumps; NOK and DingZing for cylinder seals; and Tewei Intelligence for optical-electricity encoders. This component sourcing reflects a structured approach to sourcing critical subsystems for the rolling machine’s control and hydraulic functions.
Industries and Applications
Anhui Pacific Machine Tool Ltd. covers industries including metalworking, manufacturing, and industrial equipment, serving customer types such as heavy industrial plants and steel fabrication facilities. The W11SNC-25×3000 is adapted for metal fabrication, pressure vessel manufacturing, and structural engineering applications, aligning with the operational demands of cold forming medium to heavy plates.
Choosing a 3 Roll Plate Bending Machine With Universal Top Roll
For buyers evaluating a 3 roll plate bending machine with universal top roll for integrated pre-bending and rolling, the combination of a dual-axis top roll, drum-shaped roll compensation, NC-based control, and a defined service package positions Anhui Pacific Machine Tool Ltd.’s W11SNC-25×3000 as a technically documented option. Its design directly responds to the industry challenge of end pre-bending, offering a single-station process supported by measurable synchronization accuracy, rolling speed, and product quality tolerances outlined above.
https://www.pacific-mt.com/
Anhui Pacific Heavy Duty Machine Joint-Stock Co., Ltd.
