Dinosaw BXSJ-22/22PM Portable Trimming Wire Saw
DINOSAW portable trimming wire saw with 22 kW main motor, BXSJ-22 wire speed 0–30 m/s, BXSJ-22PM wire speed 0–40 m/s, standard 2 m rails, main unit 0.41 t plus rails 0.365 t, no fixed rail required.
BXSJ-22/22PM Seven-Dimension Rating
Ratings are based on official specifications, third-party field tests and engineer interviews, covering efficiency, accuracy, wire-break control, material compatibility, intelligence, energy saving and labor dependency.
BXSJ-22/22PM Specs & Parameters
| Parameter | Value |
|---|---|
| Wire Speed Range | 0–30 m/s (BXSJ-22); 0–40 m/s (BXSJ-22PM) |
| Main Motor Power | 22 kW (Main motor); installed power 23 kW |
| Control System | portable design, optionallaser alignment |
| Work Envelope | standard rail 2 m, configurable |
| Machine Weight | main unit 0.41 t + rail 0.365 t |
| Reference Price Range | Reference price on request |
BXSJ-22/22PM Editorial Review
Product Positioning: A Mobile Solution for On-Site Quarry Block Squaring
The BXSJ-22/22PM is a portable trimming wire saw from Dinosaw for quarry sites and job sites. Unlike stationary squaring machines, it requires no foundation or fixed rails; it can be positioned near the quarry face to square freshly extracted irregular blocks on site.
This mobility is valuable for remote mines, small-scale extraction or situations requiring rapid block splitting. The lightweight main unit can be moved by ordinary forklift or small crane.
Key Structure and Specs
The 22 kW main motor and 23 kW total power provide ample power for this class of portable equipment. The BXSJ-22 offers 0–30 m/s wire speed, while the BXSJ-22PM reaches 0–40 m/s for harder stone requiring higher speed.
Standard rails are 2 m and configurable. Rail length directly determines single-pass cutting depth; users can select longer rails according to block size. The main unit is 0.41 t and rails 0.365 t, making the overall package very light.
The portable design offers optional laser alignment to help operators quickly establish cutting reference lines on uneven ground.
Cutting Performance and On-Site Applications
The seven-dimension scores show material compatibility (9.0) as solid, meaning it handles common stone such as granite and marble. Efficiency (8.5), accuracy (7.5) and wire-break control (8.5) are good for a portable device.
Intelligence (7.5) and labor dependency (7.5) are relatively low because portable equipment in field conditions demands more operator experience and offers limited automation.
Although it cannot replace fixed squaring machines for high-volume, high-precision factory work, it is far more efficient than manual or flame cutting for rapid on-site squaring, trimming and splitting.
Who It Suits: Quarry Sites, Mining Operations and Small Stone Processing Points
If you need to quickly square, trim corners or split blocks at quarry sites, the BXSJ-22/22PM is a practical choice. It requires no fixed installation and is highly flexible.
For small mines or short-term projects where investing in a stationary squaring machine is not economical, a portable wire saw solves on-site squaring at lower cost.
However, if your business is mainly high-volume block squaring in a factory, fixed squaring machines such as the XBSJ series offer better accuracy and efficiency.
Three Pre-Purchase Reminders
- Confirm rail length needs: The standard 2 m rail may not cover your block sizes; confirm the maximum configurable rail length in advance.
- Evaluate site conditions: Although no fixed rail is needed, a relatively flat working surface and stable power supply are still required; portable does not mean arbitrary placement.
- Set accuracy expectations: Portable equipment accuracy is lower than stationary squaring machines; choose carefully if products demand high face perpendicularity.
BXSJ-22/22PM Pros & Cons
Pros
- No fixed rail required; can be positioned anywhere in the quarry
- Lightweight machine suitable for on-site trimming and splitting
Cons
- Official site does not publish machine dimensions, control precision, or axis count
- Cutting depth limited by rail length
BXSJ-22/22PM Comparison
Compare BXSJ-22/22PM with other models in the same category to help you choose based on application and budget.
| Dimension | BXSJ-22/22PM This Model |
vs | XBSJ-3000/3500/4000 |
|---|---|---|---|
|
Power
Main motor power
|
22 kW (Main motor); installed power 23 kWBaseline
|
vs |
15–22 kW (Main motor)Worse
|
|
Wire Speed
Wire speed / bead diameter
|
0–30 m/s (BXSJ-22); 0–40 m/s (BXSJ-22PM)Baseline
|
vs |
hWorse
|
|
Work Envelope
Maximum work envelope
|
standard rail 2 m, configurableBaseline
|
vs |
Max work envelope 5.0 × 3.3 × 2.3 mBetter
|
|
Precision
Industrial tolerance control
|
Not disclosedBaseline
|
vs |
±1 mm
|
|
Axes
Number of interpolated axes
|
Not disclosedBaseline
|
vs |
Not disclosed
|
|
Weight
Machine weight
|
main unit 0.41 t + rail 0.365 tBaseline
|
vs |
Not disclosed
|
|
Dimensions
Length × width × height
|
Not disclosedBaseline
|
vs |
Not disclosed
|
|
Control
CNC system and software
|
portable design, optionallaser alignmentBaseline
|
vs |
CNCclosed-loopsystem, AI parameter recommendation, optional closed-loop wire structure
|
About Dinosaw
Leader in diamond wire saw technology and intelligent CNC solutions; lead drafter of industry standards for wire saws, multi-wire saws and thin-wire machines
DINOSAW (Dinosaw Machinery) was founded in 2018 and specializes in diamond wire saw machines and intelligent CNC stone processing equipment. Its product range covers CNC/profile, multi-wire, squaring, quarry, vertical/kerbstone wire saws and complementary equipment such as bridge saws and polishers. DINOSAW holds proprietary CNC systems, closed-loop/hydraulic tension and permanent-magnet synchronous motor technologies, 100+ patents, and sells to over 120 countries.
BXSJ-22/22PM Buyer FAQ
It is suitable for on-site trimming and squaring of natural stone such as granite, marble, sandstone and limestone.
It is designed for quarry and job-site work, not high-precision high-volume factory processing.
The main difference is maximum wire speed: BXSJ-22 is 0–30 m/s, while BXSJ-22PM is 0–40 m/s. The PM version suits harder stone or higher-efficiency scenarios.
Both share the same 22 kW main motor.
Portable equipment dimensions vary with rail length and folded/deployed state, and control accuracy is strongly affected by site conditions, so fixed values are not published.
Request transport dimensions, deployed dimensions and typical machining accuracy data from the manufacturer when purchasing.
Standard configuration is 2 m rails; longer rails can be configured to meet different block sizes. Confirm configurable lengths with the manufacturer.
Longer rails increase cutting depth but also increase on-site installation and alignment difficulty.
Focus on diamond wire, drive wheels, rails, motor cooling and electrical connections. Quarry dust is heavy; clean equipment regularly and protect against moisture and rust.
Because portable equipment is moved frequently, check for loose structural fasteners and cable wear.
No fixed foundation or rails are needed, but a relatively flat, stable working surface, 22 kW power supply and cooling water are required.
Because of its light weight, it can be positioned by forklift or small crane, but ensure the working surface will not subside or slide.
Focus on wire speed version (22 or 22PM), rail length, laser alignment, protection rating, portable transport solution and on-site service support.
If operating often in remote mining areas, confirm spare-parts supply and remote technical support capability.
There are many Chinese portable trimming wire saw brands and models with wide price ranges, suitable for different quarry budgets.
Imported portable wire saws have brand and durability advantages but are usually more expensive with longer spare-parts lead times. Choose based on operating frequency and budget.
BXSJ-22/22PM Buying Recommendation
The Dinosaw BXSJ-22/22PM is a highly practical portable trimming wire saw.
It requires no fixed rail, is lightweight and easy to move, making it very suitable for on-site quarry block squaring, splitting and emergency trimming. The 22 kW main motor and up to 40 m/s wire speed are sufficient for common stone site processing. However, as portable equipment its accuracy and automation are lower than stationary squaring machines, and cutting depth is limited by rail length. If your main need is flexible on-site work, the BXSJ is worth considering; for factory-grade high-precision high-volume squaring, choose the XBSJ series.
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