The underground mine sprocket assembly is a core transmission component used in the head and tail sections of comprehensive mining scraper conveyors and return track transfer machines. It is responsible for transmitting power to the scraper chain, driving the material transport process effectively.
Compatible with SGZ630, SG730, SGZ764, SGZ800, SGZ900, SGZ1000, SGZ1200, and SGZ1350 systems.
Supported sizes: 26*92, 30*108, 34*126, 38*137, 42*146, 48*152.



| Model | Teeth Count | Chain Spec | Center Distance (mm) |
|---|---|---|---|
| 2LZ07 | 6 | φ22*86 | 120 |
| 83S0702 | 6 | φ26*92 | 120 |
| 1LZ19 | 7 | φ18*64 | 90 |
| 1LZ17 | 7 | φ26*92 | 120 |
| 1LZ22 | 7 | φ22*86 | 200 |
| 59/04LL | 7 | φ26*92 | 120 |
| 86S010101 | 8 | φ26*92 | 120 |
Our facility operates with over 70 pieces of medium and large-sized production equipment, including 30+ sets of CNC gear grinding machines, shaping machines, and four-axis CNC gantry lathes. We hold MA, ISO 9001, ISO 14001, and ISO 45001 certifications.



A: Standard models are usually shipped within 15–30 days, while customized units typically require 30–45 days depending on complexity.
A: Yes, we provide 24/7 technical assistance and have partnered service centers in key global mining regions to ensure minimal downtime.
A: Absolutely. We offer OEM/ODM services and can tailor sprocket sizes, tooth profiles, and material grades to meet your specific mainframe requirements.
A: Our products and manufacturing processes are certified under MA (Mining Safety), ISO 9001 (Quality), ISO 14001 (Environment), and ISO 45001 (Health & Safety).
A: We provide a full export documentation package, including Commercial Invoices, Packing Lists, Bills of Lading, and Certificates of Conformity (COC).
A: We primarily use high-strength alloy steels such as 42CrMo and 40CrNiMoA, subjected to rigorous heat treatment and surface hardening for maximum durability.