·Car King Guan Ai accompanying wading car free detection

October 10 , 2013 - October 31, 2013

Shanghai became a "sea" overnight, did you join the team of the river? The classmates who didn’t watch the sea during the holiday were full of eyes. A car that was riding the wind and waves was passing by us. Transforming the water tools, but there is a risk factor ah ~ Che Wang hereby free to launch a wading car test to help you eliminate hidden dangers
Check item:
l Electronic system failure After wading, the relevant electronic module of the engine is extremely easy to short-circuit, once the problem occurs, the lighter
One function fails, the heavy vehicle is damaged, and even a short circuit causes a fire.
l Engine failure When the water surface when wading is higher than the engine inlet, the water will directly enter the cylinder to form gas.
Water mixture, water can not be compressed, the connecting rod is easily deformed and bent after being resisted by water
l The interior is soaked in water When the water floods the door, it is likely to enter the water, which is an ideal environment for mold. Such as
If the vehicle can't dry in time, the mildew will instantly destroy the fabric and leather fabric inside your car.
l Gearbox damage The automatic gearbox inlet is still vented through the vent. If water enters the gearbox, it is easy
Forming a urethane compound that is difficult to adjust past the oil and earth plate in the gearbox, which may result in friction plates and automatic damage
hurt
l Chassis damage Through deep water, beware of "shadow". Usually easy to see squat pits, road teeth are hidden in deep water
Hidden, the vehicle does not pay attention to speeding, and may cause damage to the chassis.
l General inspection Tire, oil, brake system, battery, water tank, belt, wiper wiper blade, air
Filter element, transmission oil, lighting system, special system inspection
Note: Activity limit No. 0 shop (Jiangqiao), No. 1 shop (Pudong), No. 3 shop (Kunshan) participated

CNC Turning

What is CNC Turning

In CNC turning, a chuck (or specialized clamp) holds bars of material and, as they are rotated, a tool is fed to the piece to remove material to create a specific shape. A turret, which holds a group of tools, is programmed to move along the work piece in three different axes of motion to shape the material according to the assigned specifications.

Since CNC turning involves removing material from a work piece, it`s considered a [subtraction machining" process. It is done on a lathe machine, which can be used on all types of material, from wood to metal to plastic. It can also be done on a mill or a drill press.

Turning is primarily used to create cylindrical parts. It can be completed on the outside or the inside of a work piece, which is known as boring. The process can also be used to conduct various other operations, including:

· Grooving: Cuts grooves or creates narrow cavities in work pieces.

· Taper turning: Creates a gradually decreasing diameter in a cylindrical shape.

· Drilling: Produces round holes, which are typically for screws and bolts.

· Facing: Cuts a flat surface perpendicular to the axes of the milling cutter.

· Parting: Separates one part of the work piece from another.

· Knurling: Creates vertical, horizontal or crossing lines on the work piece.

· Threading: Makes grooves that can be screwed into other objects.

CNC Turning process

l Creating a digital representation of the part in CAD

l Creating the machining code from the CAD files

l CNC lathe setup

l Manufacturing of the turned parts

Capabilities

Typical

Feasible

Shapes:

Thin-walled: Cylindrical
Solid: Cylindrical

Part size:

Diameter: 0.02 - 80 in

Materials:

Metals
Alloy Steel
Carbon Steel
Cast Iron
Stainless Steel
Aluminum
Copper
Magnesium
Zinc

Ceramics
Composites
Lead
Nickel
Tin
Titanium
Elastomer
Thermoplastics
Thermosets

Surface finish - Ra:

16 - 125 μin

2 - 250 μin

Tolerance:

± 0.001 in.

± 0.0002 in.

Max wall thickness:

0.02 - 2.5 in.

0.02 - 80 in.

Quantity:

1 - 1000

1 - 1000000

Advantages:

All materials compatible
Very good tolerances
Short lead times

Disadvantages:

Limited to rotational parts
Part may require several operations and machines
High equipment cost
Significant tool wear
Large amount of scrap

Applications:

Machine components, shafts, engine components

Suitable Materials for Turning

In turning, the raw form of the material is a piece of stock from which the workpieces are cut. This stock is available in a variety of shapes such as solid cylindrical bars and hollow tubes. Custom extrusions or existing parts such as castings or forgings are also sometimes used.

Turning can be performed on a variety of materials, including most metals and plastics. Common materials that are used in turning include the following:

l Aluminum

l Brass

l Magnesium

l Nickel

l Steel

l Thermoset plastics

l Titanium

l Zinc

When selecting a material, several factors must be considered, including the cost, strength, resistance to wear, and machinability. The machinability of a material is difficult to quantify, but can be following characteristics:

l Results in a good surface finish

l Promotes long tool life

l Requires low force and power to turn

l Provides easy collection of chips

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Suzhou FCE precision electronics Co., LTD , https://www.sjfukeyifcesz.com