What is a scaling jumbo and why does it matter for mine safety?
After every blast, the roof and walls of a heading hold loose, fractured rock that will fall without warning. Scaling (barring down) is the work of bringing that loose rock down deliberately before crews enter — traditionally done by a miner standing under the very ground being scaled, with a bar. Falls of ground remain among the leading causes of underground fatalities, which is why mechanised, remote scaling is a safety purchase before it is a productivity one.
The FULONGZUAN XMPYT-66/450 is a micro scaling jumbo for thin-vein metal mines with mining heights of 2.0–4.2 m. The machine is 1.2 m wide, 1.5 m high and about 5 t, its scaling hammer delivers 250 J of impact energy at 700–1,200 blows per minute, and both travel and scaling are fully remote-controlled — the operator never stands under the face being scaled.
Key Specifications
Key specifications from the manufacturer's catalogue: Specification from the manufacturer's intelligent mining equipment catalogue.
| Item | Specification |
|---|---|
| Machine | XMPYT-66/450 scaling jumbo |
| Application | Thin-vein metal mines, mining height 2.0–4.2 m |
| Dimensions / weight | 1.2 m wide, 1.5 m high, approx. 5 t |
| Impact energy | 250 J |
| Impact frequency | 700–1,200 bpm |
| Control | Fully remote-controlled travel and scaling |
Main Features
The machine is sized to the problem: thin-vein stopes and narrow headings leave no room for a full-size scaler, so the XMPYT packs its hammer into a 1.2 m-wide, ~5 t carrier that can reach the ground other mechanised scalers cannot. The 250 J / 700–1,200 bpm hammer gives the operator a working range — rapid lighter blows to sound and loosen, sustained energy to pull down slabs — and full remote control of both tramming and scaling keeps the human out of the fall zone entirely, completing the safety logic.
Supply & Trade
FULONGZUAN equipment is manufactured by Fujian Yizuan Machinery Co., Ltd. (Longyan, Fujian, China), a national high-tech enterprise holding 128 authorized national patents. Export enquiries are handled by the Simiai Technology trade desk: hemingwang@simiai.top, WhatsApp +86 130 7787 8567 (https://wa.me/8613077878567). Pricing, order quantities and delivery terms are quoted per enquiry (RFQ) against the buyer's target specifications.
Frequently Asked Questions
Why mechanise scaling instead of hand barring?
Hand scaling puts a person under unsupported, freshly blasted ground with a bar — the exact exposure that fall-of-ground statistics punish. A remote-controlled scaling jumbo removes the person from the fall zone while scaling more thoroughly and consistently.
What mines is the XMPYT-66/450 sized for?
Thin-vein metal mines with mining heights of 2.0–4.2 m; at 1.2 m wide and 1.5 m high it works narrow headings that full-size scalers cannot enter.
Is the whole machine remote-controlled?
Yes — both travelling and the scaling operation are fully remote-controlled, so the operator works from a protected position throughout the cycle.
Conclusion
Scaling is where mechanisation buys safety most directly. For thin-vein mines working 2.0–4.2 m heights, the fully remote XMPYT-66/450 replaces the man-and-bar with a machine — ask the trade desk for an RFQ against your heading dimensions.
Contact the trade desk
Pricing, minimum order and delivery terms are quoted on request. Send your target specifications to the trade desk for a quotation.