Using laser cleaners requires careful attention to safety and operational considerations. Here are some precautions to take when using laser cleaners:
Personal Protective Equipment (PPE):
Wear appropriate PPE, including safety glasses with the correct optical density for the laser wavelength being used. Depending on the laser power and the specific cleaning environment, additional PPE such as gloves, face shields, and protective clothing may be necessary.
Area Preparation:
Ensure that the cleaning area is properly prepared and free of flammable materials or other hazards that could be ignited by the laser beam or the cleaning process.
Ventilation:
Provide adequate ventilation to remove any fumes, vapors, or particulates generated during the cleaning process. This helps maintain a safe working environment and prevents exposure to potentially harmful substances.
Controlled Access:
Restrict access to the laser cleaning area to authorized personnel only. Use signage and barriers to clearly demarcate the laser operation zone and prevent unauthorized entry.
Training:
Ensure that operators are properly trained in the safe use of laser cleaners, including how to operate the equipment, handle laser hazards, and respond to emergencies. Regular training updates and refresher courses are also beneficial.
Beam Control:
Use beam control mechanisms such as beam shutters, interlocks, and beam blocks to prevent accidental exposure to the laser beam. Ensure that the laser beam is directed away from reflective surfaces and bystanders.
Monitoring:
Continuously monitor the laser cleaning process and the surrounding environment for any signs of abnormal operation, such as smoke, unusual odors, or unexpected reflections of laser light.
Emergency Procedures:
Establish clear procedures for responding to emergencies, including laser beam exposure, fire, chemical spills, or other accidents. Provide appropriate emergency equipment such as fire extinguishers, eye wash stations, and first aid kits.
Maintenance:
Perform regular maintenance and inspections of the laser cleaning equipment to ensure proper functionality and safety. Follow manufacturer recommendations for calibration, alignment, and servicing.
Regulatory Compliance:
Adhere to relevant safety standards and regulations governing the use of lasers in your jurisdiction, such as ANSI Z136.1 in the United States or IEC 60825 internationally. Obtain any necessary permits or approvals for operating laser equipment.
By following these precautions and implementing proper safety measures, you can minimize the risks associated with using laser cleaners and create a safe working environment for operators and bystanders.
Mining Scraper Winch is mainly used for coal mine & other underground mine or open-pit ore handling and filling operations. It is mainly used for horizontal plane transport and slope dumping with small slope angle, but it cannot be used as lifting equipment. The parallel arrangement of electric tweezers is common to the PB series bucket loading machine.
The main components of the electric tweezers are a speed reducer, a main reel, a secondary reel, an operating device, a steel wire for guide and an electric motor. These components are housed inside and outside the housing. The housing is a component with good rigidity, which serves as a protection, support and full load.
The usage of the scraper winch 2JP,2JPB series scraper winch is mainly use in metal mine and other coal mine’s pit and ore’s carrying and filling working,is applicable to the scraping which ground is horizontal or the slope not more than 44 degree.
Do you know the difference between 2JP and 2JPB electric scraper winch?
For 2JP electric scraper winch,the motor is non-explosion proof.
For 2JPB electric scraper winch,the motor is explosion proof.
For ” 2 “,it means the drum’s quantity is two.
For “J”,it means electricwinch.
For ” P”,it means the electric winch use for scraping.
For “B”,it means the explosion proof electric winch.
| Electric scraper winch | |||||||
| Item | Unit | 2JP(B)-7.5 | 2JP(B)-15 | 2JP(B)-22 | 2JP(B)-30 | 2JP(B)-55 | |
| Main Steel wire rope ‘s average Pulling Force (Not less than) |
KN | 8 | 14 | 20 | 27.5 | 44 | |
| Main wire rope’s average speed (Much or less than 5% ) |
m/s | 1 | 1.1 | 1.2 | 1.2 | 1.2 | |
| Second wire rope’s average speed (Much or less than 5% ) |
m/s | 1 | 1.5 | 1.6 | 1.6 | 1.8 | |
| Steel wire rope’s diameter |
Main wire rope | mm | 9.3 | 12.5 | 14 | 15.5 | 18.5 |
| Second wire rope | mm | 9.3 | 11 | 11 | 14 | 16 | |
| Drum | Diameter(mm) | 205 | 225 | 280 | 280 | 350 | |
| Rim diameter(mm) | 350 | 435 | 510 | 510 | 625 | ||
| Width(mm) | 80 | 125 | 510 | 160 | 180 | ||
| Main drum rope capacity | m | 45 | 80 | 80 | 80 | 100 | |
| Second drum rope capacity | m | 45 | 100 | 100 | 110 | 130 | |
| Electric power | Kw | 7.5 | 15 | 22 | 30 | 55 | |
| rotate speed | r/min | 1440 | 1460 | 1470 | 1470 | 1470 | |
| Dimension | Length | mm | 1210 | 1525 | 1600 | 1650 | 2070 |
| Width | mm | 565 | 660 | 730 | 820 | 1010 | |
| Height | mm | 490 | 620 | 640 | 700 | 890 | |
| Weight(main engine) | KG | 390 | 660 | 900 | 1155 | 2125 | |
Integral drill rods are ideal in small hole drilling, all integral drill rods consist of Hex. rods with integrated cemented carbide chisel-shaped bit heads. With the same steels as Sandvik and best carbides made in China, we are supplying different lengths of integral drill rods with different head diameters.
Carburizing process is applied to promote surface hardness, thus grant better wearing quality and lifespan for the drill rods;
23CrNi3Mo, which is in same league as Sandvik Sandbar 64, is applied as drill rod material.
Cost-effective, good performance with reasonable price.
Complete types of drill rod for various drilling scenarios.
Drilling duties in tunneling, construction, mining, quarrying, etc.
Integral Drill Rods  |
| Shank Size | Length | Diameter |
| Hex.22 x 108mm | 400 – 8000mm | 30 – 40mm |
Plug Hole Rods  |
| Shank Size | Length | Diameter |
| Hex.19 x 108mm | 210mm | 17 – 22mm |
| Hex.19 x 82mm | 210mm | 20 – 22mm |
DTH Hammer Threaded Connection Tightening Issues and Solutions
During drilling operations, the threaded connections between the driver chuck and top sub may become excessively tightened due to high tension. While operators can initially attempt to disengage hammer threads directly on the rig, persistent thread locking or seizure requires the use of a dedicated **breakout bench** for controlled disassembly.
Modular Breakout Bench Features
This compact yet high-power breakout bench is designed for portability and can be deployed in workshop or containerized environments. It supports disassembly of DTH hammers within a 3″–10″ diameter range Key considerations for equipment selection include:
1. Voltage compatibility
2. Power source type (electric/hydraulic)
Specification parameters
How to use DTH Hammer breakout bench equipment?
1.Put hammer on the bench.
2. Fix K-shaped base with nut.
Note: Please make sure red point on the K-shaped base and red point on the bolt are at the same side.
3.Adjust the position of hammer and wrench;
Use wrench to block the wrench flat of hammer;
Let wrench and jack in the same face.
4.Fix wrench.
5. Shake handle of Jack slowly till top sub away from hammer
6.After top sub dismantled, release pressure of Jack and put hammer on the bench like above photo to dismantle drive chuck of hammer.
7. Fix K-shaped base with nut.
Note: Please make sure red point on the K-shaped base and red point on the bolt are at the same side
8. Fix hammer
9. Adjust the position of hammer and wrench;
Use wrench to block the wrench flat of hammer;
Let wrench and jack in the same face.
10. Shake handle of Jack slowly till dive chuck away from hammer.
As a reaming drilling tools, domed button bits are used when a large diameter is needed to be reamed out after a pilot holes is drilled to a depth.
SHANDIKE Domed Button Bits
Domed button bits as one of the reaming drilling tools are used when a large diameter is needed to be reamed out after a pilot hole is drilled to a depth.
Parameters
• Thread size: R28, SSR28, R32, SSR32, R35, SSR35, R38, T38, T45, and T51.
• Diameter: 76mm to 152mm.
Features
• Alloy buttons are hot mounted into the drill bit, ensuring the bit good accuracy and durability;
• Reliability ensured by premium drill bit materials and premium alloy button;
• Different types designed for different drilling scenarios and rock conditions;
• High speed and drilling efficiency;
• Cost-effective, good performance with reasonable price.
Applications
Drilling works for blasting duties in tunneling, construction, mining, quarrying, etc.
 |  |
| Thread Domed Button Bit | |
R32 Thread Domed Button Bits
Diameter | T.C(Tungsten Carbide) Buttons | Flushing Hole | Angle | |||
mm | inch | Gauge x mm | Front x mm | Side | Front | Gauge |
76 | 3 | 9 x 13 | 1 x 13 | 1 | 3 | 35° |
89 | 3 1/2 | 14 x 13 | 1 x 13 | 2 | 2 | 35° |
102 | 4 | 16 x 13 | 1 x 13 | 2 | 2 | 35° |
127 | 5 | 18 x 13 | 1 x 13 | 1 | 3 | 35° |
