There are many misunderstandings in the process of using the national four-wheel vehicle. Some drivers will remove the vehicle urea alarm equipment OBD, or change the CPU data to avoid adding urea or false environmental protection data to the vehicle. Is this correct? What is the harm? The relevant technical experts explained to us that by defrauding the OBD monitoring, the vehicle's use of urea in the SCR system was depleted by power, which in the first place seemed to reduce a lot of trouble, but the National IV engine was biased towards reducing PM emissions. Combustion, so that emissions of NOx emissions will not only reduce but also increase, exhaust pollution even exceeds the National III vehicles. At the same time, the SCR system will not work for a long time will lead to crystallization of residual urea solution in the SCR system plugging the pipe and nozzle, and because of the long-term lack of liquid soaking so that the life of the SCR system components reduce or even damage, the catalyst loses its catalytic effect, replace the SCR The cost of system components is much higher than the cost of normal use of vehicle urea, which in turn increases the cost of the owner.
The Rock Drill has
good performance under low pressure, it is suitable for actimpetus with long air pipe and small air compressor. Shandong Hightop offers reliable handheld
rock drills, air leg rock drills and various pneumatic picks.
Model
YT24
YT27
YT28
YT29A
YT23 (7655)
YSP45
Weight
24kg
27kg
27kg
26.5kg
24kg
44kg
Length
678mm
668mm
640mm
659mm
628mm
661mm
Air pressure
0.4-0.63Mpa
0.63Mpa
0.4-0.5Mpa
0.4-0.63mpa
0.4-0.63Mpa
0.4-0.63Mpa
Impact frequency
≧31HZ
≧36.7HZ
≧38HZ
≧36HZ
≥34HZ
≧47HZ
Air consumption
≦66.7L/s
≦83.3L/s
≦85L/s
≦88L/s
≤80L/S
≤83L/S
Impact energy
≧65J
≧75.5J
≧70J
≧50J
≧42J
Cylinder*stroke
70mm*70mm
80mm*60mm
90mm*500mm
82mm*60mm
76mm*55mm
95*47mm
Air pipe diameter
19/25 mm
19/25 mm
19/25 mm
19/25 mm
19/25 mm
19/25 mm
Bit head size
22*108mm
22*108mm
22*108mm
22*108mm
22*108mm
22*108mm
Drilling depth
5m
5m
5m
5m
5m
5m
Bit diameter
34-42mm
34-45mm
34-42mm
34-45mm
34-42mm
34-42mm
The series of rock
drills are mainly used in mine, railway, water irrigation works and quarrying
works to drill holes. It's suitable for wet or dry drilling in all kinds of
rocks. Besides, it is widely used for
mining, tunnel driving and other rock drilling jobs, and it is an indispensable
pneumatic tool for metallurgy, coal, transportation, capital construction and
national defense industries where rock excavation is needed.Lightweight, easy
to operate and maintain.
Please contact us
freely if you have any questions. Professional factory will be your best
choice! We will always
provide best services !
Rock Drill,Penumatic Rock Drill,Coal Mine Rock Drill,Gas Powered Rock Drill Shandong Hightop Machinery Co,.Ltd , http://www.hightopmachinery.com