Adaptable Shale Shaker Model
SJ-Scomi Prima Shaker Screen are used as the substitute screen for
SJ-SCOMI Prima shaker screen, also commonly called Scomi prima 3G/4G/5G screen, refers to the replacement screen for Scomi Prima series shale shakers. The main shaker models are including SCM-PrimaG 3P/4P/5P linear motion shale shaker and SCM-PrimaG 4PDD cascading shale shaker. Screen quantity correspondingly varies by the different shaker models. The whole screen cloth is divided into independent small surfaces by rectangle perforated holes to prevent the part excessive expansive damaged.
Technical Parameter
Remarks:
Scomi, SCM-PrimaG 3P, 4P, 4PDD, 5P are marks of Scomi equipment INC.
ShengJia only produces the replacement screens but not original from Scomi.
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Scomi Prima 3G/4G/5G Shaker Screen
Steel Frame Shaker Screen for Scomi Prima 3G/4G/5G Shale Shaker
Competitive Advantage
If you can use the analogy principle of variable speed bicycles when purchasing large special material processing equipment, you can achieve better results. People buy variable-speed bicycles for entertainment or exercise, but when riding, they always use the two or three shifting gears that are most comfortable. Tour de France athletes and other well-trained athletes focus on the various parts of the car while taking advantage of the individual components (frames, pedals, transmissions, wheels, etc.) to get the car, whether it is climbing , or the maximum power output when riding on the ground.
For many machining shops, machining high-strength high-temperature alloy workpieces is as difficult as climbing a hill. To solve this problem, machine tool builders increase the rigidity of milling machines and lathes, improve the shock absorption performance of the spindle and the size of the machine frame, and improve the performance of the motor; these measures are designed to provide the required large cutting forces while reducing Harmful machine vibrations to avoid reducing the quality of the workpiece and shortening the life of the tool.
In the processing of titanium materials, in order to optimize the tool system and obtain the maximum metal removal rate, special attention should be paid to the performance of the machine tool that provides the cutting force output, the characteristics of the cutting edge of the cutting tool and the workpiece contact point, and the connection between the machine tool and the tool. Part-spindle coupling.
In April 2012, machine tool manufacturer Mitsui Seiki (Bergen, NJ) teamed up with Kenner Metals (Latrobe, Pa.), a tool and tool holder supplier, for titanium materials (Ti-6Al-4V). The workpiece was tested and tested. The machine was a Mitsui-SeikiHPX63CNC horizontal machining center. Four Kennametal metal tools were used in the test. Each tool used the KM4X100 spindle coupling.
machine tool
The main design criteria for the HPX63 include a large cutting capacity with a maximum machining diameter of 1050 mm and a workpiece height (Y-axis) of up to 1050 mm. The X-axis travel is 1000 mm, the Z-axis travel is 900 mm, and the tray size is 630 mm. The B-axis turret rotates at up to 12 rpm and features high torque and fast acceleration. The moving speed is up to 32 m/min, the acceleration/deceleration is 0.5G, and the cutting feed rate is 12 m/min.
The machine is designed for precision machining. The metallurgical process allows the casting to have maximum rigidity. The axial slides of the headstock are quenched, ground and hand-scraped. Positioning accuracy and repeatability are 0.001 mm. The spindle unit of Mitsui Machine Tool automatically compensates for temperature changes. The company offers a variety of spindle options to meet the needs of users choosing direct drives and gears, as well as the need for different torques and speeds.
All in all, the HPX-63 machine is rugged, rigid, and precise, making it ideal for machining titanium, inconel, tool steel, stainless steel, and aluminum materials for the aerospace industry, the energy industry, and compressors. Molds, fixtures and tooling equipment, automotive prototype parts manufacturing, and general-purpose high-precision machining.
In order to optimize the tool system, the spindle coupling is required to maximize the transfer of machine power. Most of the tool products on the market are monolithic tools with a relatively low spindle clamping force. The rigidity of the coupling device is very limited and the radial fit needs to be kept to a minimum specified value. In order to obtain stable end contact performance, a very tight tolerance level is required, so the processing cost is greatly increased.
Spindle coupling
The KM4XTM from Kennametal is a new generation of KM spindle couplings. Some coupling devices can transmit high power torque, but the bending moment generated by the cutting force may exceed the limit that the coupling device can withstand before the maximum torque is reached. The three-sided contact design of the KM4XTM unit increases stability and optimizes clamping force distribution and interference fit. Therefore, the device has three times the bending moment resistance of other tool holder systems.
In testing the cutting process, the HPX63 is equipped with a high torque and high power spindle unit; the maximum power is 26/22 kW and the maximum torque is 1082 Nm. The KM4X100 spindle coupling can form a clamping force of 85kNm, which is more than twice that of the HSK100 unit and three times that of the BT50 unit (the clamping force of these two units is 40kNm and 25kNm, respectively).
Cutting tool
Four different cutting tools were used in the test, respectively
(1) A 203.2 mm diameter end mill with 7 square indexable inserts;
(2) A face milling cutter of the same diameter with 7 round blades;
(3) A 76.21 mm diameter, 228.6 mm length corn milling cutter (HARVIUltraTM) with 5 spiral rows, 11 inserts per spiral row, and
(4) A 125 mm diameter flat bottom indexable drill (FBI) with 6 indexable inserts.
Because the machine and spindle have sufficient power output and the spindle coupling has excellent clamping force, the test results are excellent. The square insert end mill has a metal removal rate of 88.74 cc/min, a spindle speed of 64 min-1, a depth of cut of 12 mm, a cutting width of 45 mm and a feed rate of 164.3 mm/min.
At a spindle speed of 73 min-1, a cutting width of 177.8 mm, a cutting depth of 3 mm, and a feed rate of 88.9 mm/min, the metal blade removal rate of the circular insert face milling cutter was 47.42 cc/min.
The HARVIUltraTM Corn Milling Cutter can perform simultaneous X-axis and Y-axis cutting with a maximum metal removal at a spindle speed of 171 min-1, a feed rate of 101.6 mm/min, a depth of cut of 40 mm and a cutting width of 76.21 mm. The rate can reach 309 cubic centimeters per minute.
The FBI drill drilled a flat-bottomed hole in a titanium workpiece with a metal removal rate of 125.2 cubic centimeters per minute at a spindle speed of 102 min-1, a feed rate of 10.2 mm/min, and a hole diameter of 125 mm. After the first hole is drilled, the workpiece is rotated at a 45 degree angle on the main shaft, and an oblique hole is drilled, and the hole is drilled through the edge of the hole of the first hole. Both the machine and the drill show good performance despite the severe intermittent cutting process.
Performance optimization
Compared to conventional or general-purpose machines, the HPX63 can increase metal removal rates by 1.5-2 times in titanium-based workpieces. The KM4X spindle coupling has sufficient clamping force and an interference fit for higher speeds and maximum torque output. The machining efficiency of the machine tool and the cutting performance of the tool are significantly improved.
In addition, the performance of the KM4X100 spindle coupling can reach the performance level of the HSK125; not only that, but also the use of ultra-long spindles, large tool changers, large tool magazines, and other factors that increase the footprint of the machine. The use of the right tool and spindle coupling reduces the size of the machine and significantly increases machining efficiency in the machining of titanium and other difficult-to-cut alloy materials. The spindle coupling ensures maximum tool performance and maximizes the performance of the cutting edge, milling cutter, drill bit, and turning tool to increase machining efficiency.