PF impact crusher and PFW impact crusher similarity:
1. Refined grain shape in uniform, the product was a cube, no tension cracks, uniform size;
2. Dust content is low, especially for aggregate processing high-grade road and hydropower construction projects.
 
Differences between PF impact crusher and PFW impact crusher:
1.  rotor structure
(1) PF Series impact crusher lighter rotor inertia is poor, hit the back plate on top of the stone by a small force, low crushing efficiency; no installation rotor detection devices, the need for manual timing rotor overhaul, long downtime and time-consuming.
(2) PFW series impact crusher uses a rugged heavy-duty rotor, high speed, inertia, playing in the back panel of the stone can get enough crushing force, greatly improving crushing efficiency; axial limit device is installed on the rotor, can effectively prevent the board ran hammer; the whole rotor has a higher static and dynamic balance and impact resistance; with double bevel clamping and self-locking device, so that the board hammer fixed and reliable; install a rotor detection and analysis device, at any time to ensure the quality of the rotor, so that higher equipment reliability, reduce downtime and maintenance time, time-saving overhaul.
 
2. The lifting device
PF series impact crusher uses a screw device after opening and closing the cover, repair and replacement back plate and plate hammer, time-consuming maintenance, increased maintenance labor costs.
PFW series impact crusher uses a hydraulic hoist device to ensure safe and reliable replacement of wearing parts, quickly complete access to the machine. Improved lifting device greatly reduces downtime and maintenance time.
 
3. Adjust the gap
PF series impact crusher uses a screw to adjust the device when using time-consuming, laborious, easy to damage, and increased maintenance costs.
PFW series impact crusher uses a hydraulic adjustment device, easy to operate, reliable, low failure rate.
 
4. Constant pressure device
(1) PF impact crusher uses a screw to adjust the discharge port clearance, under conditions of long working hours; it is easy to screw spring relaxation, affecting nesting size and grain shape.
(2) PFW impact crusher uses a constant pressure device, back frame by gravity and spring constant pressure to maintain its normal operating position, increase the life of the equipment, even working long hours does not affect the discharge grain size and type, and greatly improving the material crushing yield.
 
5. The expected size
PF impact crusher series adds a third back plate, the gap can be adjusted by increasing or decreasing the gasket back liner wear can be replaced from a larger place to wear a smaller place, producing smaller particle size and more uniform, very suitable for all species of hard and broken ore crushing operations.
PFW  impact crusher series adds a third back plate, the gap can be adjusted by increasing or decreasing the gasket back liner wear can be replaced from a larger place to wear a smaller place, producing smaller particle size and more uniform, very suitable for all species of hard and broken ore crushing operations.
 
6. Drives
PF series impact crusher with the spindle keyway connection, which does not easy disassemble.
PFW impact crusher Drives efficient use of SPC narrow V-belt drive and the spindle with a pulley connected to the use of expansion sets, ease of disassembly.

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