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Mar 28,2026

Zhu Chengji makes its debut at the 2026 Electronica China exhibition in Shanghai.

Zhu Chengji showcases its Diamond-brand precision machining equipment at the 2026 Electronica China exhibition in Shanghai.

Zhu Chengji makes its debut at the 2026 Electronica China exhibition in Shanghai.

Sep 20,2025

Zhu Chengji Makes Its Debut at the 2025 Shenzhen International Jewelry Exhibition

Zhu Chengji makes its debut at the 2025 Shenzhen International Jewelry Fair (Shenzhen Convention & Exhibition Center, Futian).

Zhu Chengji Makes Its Debut at the 2025 Shenzhen International Jewelry Exhibition

May 11,2023

A Comprehensive Overview of Calendering Machine Basics

In plastic machinery, calenders are typically integrated with key equipment such as material conveyors, screening units, measuring devices, kneaders, and molding machines.

A Comprehensive Overview of Calendering Machine Basics

May 11,2023

An Introduction to Calendering Machines

Calendering machines are classified according to the number of rolls into two-roll, three-roll, four-roll, and five-roll calenders. Based on the arrangement of the rolls, they can be further categorized into L‑type, T‑type, F‑type, Z‑type, and S‑type configurations. A standard calender typically comprises roll cylinders, a frame, a roll gap adjustment mechanism, a roll temperature control system, a drive transmission assembly, a lubrication management system, a control information system, and a roll‑removal device. In addition to these core components, precision calenders incorporate advanced features—such as pressure‑holding systems and bearing clearance‑adjustment mechanisms—to ensure high‑precision calendering operations. Key characteristics of calendering machines: 1. The design is simple and streamlined, with straightforward, user‑friendly operation. 2. A wide range of speeds and speed ratios are available, enabling adaptation to various formulations and processing requirements. 3. Both the frame and base are welded structures; after stress‑relief treatment, they undergo annealing for an aesthetically pleasing finish. 4. The gearbox achieves Class 6 accuracy, featuring hardened gear surfaces that are ground and finished, resulting in long service life and low noise levels. 5. Comprehensive emergency stop provisions are provided, maximizing safety for operators and equipment. 6. A specially designed sealing system effectively prevents oil leakage. 7. Rolling bearings are employed throughout the machine. 8. The rolls are made from alloy cold‑hard cast iron (LTG‑H), equipped with swivel joints and finished with a polished surface.

An Introduction to Calendering Machines

Feb 07,2023

A Comprehensive Overview of Calendering Machine Basics

In plastic machinery, calenders are typically integrated with upstream equipment such as material conveyors, screening units, metering systems, kneaders, and molding machines, as well as downstream processes including take‑up, stretching, embossing, cooling, thickness gauging, winding, and cutting. Together with drive, monitoring, and heating systems, these components form a complete calendering production line, used to manufacture rigid and flexible films, thin films, leather‑like materials, wallpaper, and floor‑covering products.

A Comprehensive Overview of Calendering Machine Basics

Jan 17,2023

One-minute overview of precautions when using a calender.

A calender consists of two or more rollers arranged in a specific sequence according to the heating method and is classified into cold‑calendering and hot‑calendering. Cold‑calendering is suitable for materials that do not require heating, such as graphite films, graphite sheets, radar‑absorbing materials, shielding materials, magnetic materials, and non‑ferrous metal materials. Hot‑calendering employs methods like steam heating, electric heating, oil heating, and electromagnetic heating. This equipment presses and coats rubber, silicone, silicone rubber, phase‑change materials, polytetrafluoroethylene, or plastics at a specified temperature to produce films of a defined thickness and surface profile, and it can also bond fibrous fabrics, canvas, or steel cord fabric.

One-minute overview of precautions when using a calender.

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Building 29, Zhongnan High-Tech Taishan Intelligent Equipment Industrial Park, No. 1 Fuan West Road, Dajiang Town, Taishan, Guangdong Province

Shenzhen Direct Sales Outlet Address

No. 012–013, No. 2 Kaiming Road, Area A, Zhonghe Shengshi, Liuyue, Henggang Subdistrict, Longgang District, Shenzhen, Guangdong — Zhu Chengji Diamond‑Brand Jewelry Equipment

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