Electric milling machine Gasoline milling machine Bridge deck milling machine

Electric milling machine
Gasoline milling machine
Bridge deck milling machine
1. Function of milling machine
. Bridge deck surface waterproofing treatment and roughening, high-speed railway box beams and tracks Flatness and waterproofing of the base plate.
In highway municipal maintenance, milling and removal of bumps, ruts, cracks, and potholes on asphalt pavement. Clear ice and snow from bridge decks and roads.
. Before paving the new asphalt concrete, lightly roughen the original old road surface, or use a large milling machine to complete the milling and roughening of the corner areas and areas with dense steel bars
. Remove the ground coating, paint, and other materials. When the traffic marking ground is damaged or contaminated and needs to be renovated, remove the old floor surface, etc.
. Remove airport road markings, aircraft runway tire braking marks, etc., and regain rough surfaces with high friction coefficients.
. Milling and leveling the over-elevation parts of cement asphalt pavements, highway bridge decks, bridge staggered platforms, and epoxy resin wear-resistant floors
. Road micro-surfacing construction, and the original old road surface The layers are milled and removed to prepare for the slurry sealing layer.
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2. Types of milling machines
. According to width, there are product series
. According to engine or motor power, there are horsepower and horsepower
.Classified by milling depth
Depth, this type of milling machine has a higher configuration, the width is mostly about, engine power and horsepower, the number of blades, and the machine's own weight is about kilograms.
The main technical indicators of small milling machines are as follows
.Engine power. The more power, the better the milling effect.
.The number of cutter spindles and the number of blades. The greater the number, the greater the milling depth and efficiency.
.Machine self-weight. The heavier, the better to prevent the machine from jumping.
3. Application of milling machine in surface treatment of high-speed railway box girder. Currently, there are no unified specifications and standards for the surface treatment process of high-speed railway box girder. At present, the technology of some high-speed railway project departments is as follows: For the super-high parts of prefabricated beams and cast-in-place beams, you can first use a ruler to find the approximate area, and use chalk or paint to mark the error value.
Use a small milling machine to perform rough grinding within a designated range. Electric or gasoline-powered milling machines are acceptable, depending on the on-site power supply conditions. A small milling machine can mill (grind) about a beam surface at one time, and it can grind down to a centimeter by repeated milling.
After the milling machine is rough ground, measure the elevation. If the depth is not enough, continue milling.
After the elevation measurement is qualified, a grinder is used for fine grinding and polishing.
Other units use shot blasting machines for treatment, but the construction cost of shot blasting machines is higher and the efficiency is not necessarily faster than milling machines. It is just that the surface after treatment is smoother, but it is still pitted. If you want to remove it, Light still requires grinding machinery.
The processing effect of the deburring machine is similar to that of the milling machine, but because the deburring head has a vertical impact on the beam surface, and an external air compressor and air pipe are required, the operation is not as convenient as the milling machine, and the work efficiency is not as good as that of the milling machine. Machine height.
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