Machining process technology and make technological procedure

Machining process technology refers to use the method of mechanical processing change the blank shape, size, position and property, makes the whole process of qualified parts.

Machining process step is manufacturing and processing the work piece or part, adopts the method of mechanical processing, direct change shape, size and surface quality of blank, etc. Machining processing technology in process is rough machining-finish machining-assembly-inspection-packaging. Rough machining includes blank manufacturing, grinding, etc., finish machining includes fitter, milling machine, etc. And technical personnel should according to the product number, equipment condition and workers’ quality, etc., to determine what process and operation method, and in the form of a written into process documentation in accordance with the relevant provision, and this file is called technological procedure.

Every factory establish technological procedure will be different, because according to the actual situation to decide, but should consider when setting the content is the same. Such as: work piece process craft route, the specific content of each work procedure, equipment and process equipment, the work piece inspection item and test method, cutting dosage, the time quota, etc.

In general, the process is a program, processing technology is detailed parameters of each step, technological procedure is to write the file.

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Oil atomizer classification and principle

Oil atomizer is a kind of machining accuracy is very high precision component, it is equal to the solenoid valve, energized the electromagnetic coil to produce electromagnetic force, the armature and the needle valve, oil atomizer open, gasoline injection hole injection into the inlet or inlet pipe; when power loss electromagnetic force disappears, armature and needle valve under the return spring will close spray hole, oil atomizer stops injector.

Oil atomizer according to the oil nozzle structure can be divided into shaft pin type and cellular type. Shaft pin type electromagnetic oil atomizer injector the armature drive the needle valve seat surface from its rise is about 0.1 mm, fuel oil spewing from the precision gap. To make fuel atomization, needle valve front end grinding out a fuel injection needle. And cellular type oil atomizer is widely used in the direct injection combustion chamber of the engine. Each hole can jet taper angle is not big, long range pocket of oil. hole count, hole size and hole wall thickness has an effect on the spray characteristic.

According to the type of valve can be divided into the ball valve type electromagnetic oil atomizer, flap valve type electromagnetic oil atomizer. Ball valve of the valve needle quality light, spring pretightening force is big, can obtain more broad dynamic flow range. Ball valve has automatic centering effect, good sealing, is contribute to improve the fuel injection quantity accuracy. Flap valve type and cellular type valve seat with magnetic fuel injector optimization, make the fuel injector is not only a larger dynamic flow range, and anti-clogging and strong ability to resist pollution.

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Oil atomizer classification, Oil atomizer working principle, Shaft pin type electromagnetic oil atomizer, Cellular type oil atomizer, Ball valve type electromagnetic oil atomizer, Flap valve type electromagnetic oil atomizer, High quality oil atomizer, China machinery network

Oil atomizer common fault and maintenance

Oil atomizer common failure roughly divided into mechanical failure and circuit failure. Mechanical failure includes injector quantity disorder, bad atomizing, oil atomizer valve core clamping stagnation, oil atomizer clogging and leak, etc. Effect of engine operating at high temperature, and gas contained in the material will gradually attached in the end of the oil atomizer tiny orifice cause oil atomizer clogging, affects the normal gasoline through and atomization. In addition, inferior gasoline contains moisture is easy to make the oil atomizer needle valve corrosion, lead to clamping stagnation, causes by oil atomizer oil leak or not spray oil, etc. faults.

Moreover circuit fault includes electromagnetic coil aging or short circuit, open circuit, the oil atomizer control circuit contact undesirable, computer internal fault will cause oil atomizer don’t injector.

If the oil atomizer happens failure: will cause the engine not starting or starting difficulty, powered lowering, speed slow, easy to flameout and exhaust smoke is black, etc. So often on the oil atomizer for maintenance and prolong service life.

Avoid oil atomizer mechanical fault maintenance: oil atomizer work for a period of time should check and adjust one time. If open pressure is lower than specified value or needle valve carbon deposition serious, should be discharged out of the needle valve strike off carbon deposition, with a thin wire to clear the nozzle, after reinstall carry through debugging. In order to make oil atomizer injector oil to cylinder internal can timely complete combustion, must check the supply oil time of oil pump. If oil supply time is too early, engine will appear difficulty starting and knock cylinder faults; If oil supply time is too late, can lead to exhaust smoke is black, machine temperature is too high, fuel consumption increase, etc.

Avoid oil atomizer circuit fault maintenance: should be diligent in the electromagnetic coil, computer internal structure should also regularly check, when found the problem solve in time, lest cause unnecessary loss.

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Oil atomizer common fault, Oil atomizer maintenance, Oil atomizer mechanical failure, Oil atomizer circuit fault, High quality oil atomizer, Oil atomizer manufacturer, China machinery network

The structure and the classification characteristic of radial drilling machine

Radial drilling machine, can also be referred to the radial drill. Radial drill is a kind of hole processing equipment, can be used for drilling, bearizing, reaming, tapping and shave face and other forms of processing. Radial drilling machine easy to operate, flexible, widely scope of application, typical, especially suitable for single piece or mass production with a hole machining of large porous part, is a common machine tool general mechanical processing workshop.

Radial drilling machine is mainly composed of base, inside stand column, outside stand column, rocker arm, spindle box, operating platform, etc. Inside stand column fixed one end of the base, outside it cover outside stand column, outside stand column can roll inside stand column turn 360 degrees. One end of the rocker arm for sleeve, it suits outside stand column do move up and down. Due to the screw rod and outside stand column fused, and the lifting nut fixed on a rocker arm, so rocker arm is not turning around the outer column, only around the column rotation with outer column. Spindle box is a composite component, by the main drive motor, spindle driving mechanism, feed and speed change mechanism, operating mechanism of machine tool parts, etc. Spindle box installed on the radial horizontal guide rail, can by hand wheel operation, make its move in a horizontal guide rail along the radial.

According to the machine tool clamping structure classification, rocker drilling can be divided into hydraulic radial drilling machine and mechanical radial drilling machine.

Hydraulic radial drilling machine main features are: adopts hydraulic primary variable speed mechanism, can save auxiliary time; Spindle positive &negative turn, brake, variable speed, neutral gear, are done with the same handle to control, manipulate light; Spindle box, rocker arm, both inside and outside stand column adopt hydraulic drive diamond-shaped pieces clamping mechanism, clamping is reliable; Has a perfect safety protection device and outside column protection and automatic lubricating device.

Mechanical radial drilling machine‘s main features are: double speed motor; Single handle variable speed; Interlocking grip; Mechanical and electrical dual insurance; Open power, is equipped with a stop button, can even prevent the occurrence of danger.

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How to prolong the service life of multi-axis drilling machine drill head?

Multi-axis drilling machine in the drilling automobile and motorcycle accessories, reducer fittings, machine fittings, cylinder etc. porous type of mechanical part have a very wide application, can greatly improve the efficiency of the drilling, tapping, save the labor intensity, save manpower material resources. Drill head as wearing part, a great many loss, so how to prolong the service life of multi-axis drilling machine drill head?

From the angle of the drill head, should pay attention to the items are:

1. The drill head should be installed in special packing box, avoid vibration collide each other.

2. When use multi-axis drill head, take out from packing box drill head should immediately install main shaft spring clamp head or automatically change drill head of the cutter library. Run out immediately put back into the packing box.

3. If the drill head abrades, and abrade diameter decreases 2% compared with the original, so destroyed.

4. Drill head timely regrinding, can increase the use and the number of regrinding of drill head, extend the service life and reduce production cost and fee. Turn grinding too much, drilling quality and the accuracy will decrease, causes the product’s scrap circuit boards.

5. To usually check the concentricity of the spindle and the spring chuck and clamping force of the spring chuck, concentricity is bad can lead to small diameter drill head breaking of a rod and big aperture, etc. situations, the clamping force is bad can lead to actual speed and setting up the speed does not conform, between chuck and drill head slippage.

From the angle of multi-axis drilling machine, should pay attention to the items are:

1. Drilling machine dust absorption effect is better, absorption wind can lower the temperature in the drill head, take away the dust at the same time reduce the friction.

2. Always check the multi-axis drilling machine spindle presser foot. Presser foot contact surface horizontal and vertical spindle, can not shake, to prevent the breaking of a rod and slant hole drilling.

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How to deal with tapping machine tapping problem?

Tapping machine is a machine shell, device face, nut, flange, etc with different specifications of the hole or blind hole of the medial aspect of the component hole machining internal thread, screw or buckles mechanical processing equipment.

Tapping machine is in use process will often encounter all sorts of problems, the following are tapping machine using process common several problems and solutions and prevention measures.

1, the broken tap: the reason may be the diameter of the thread bottom hole is not accurate.

If you want to avoid this situation happen, should be correctly select the thread bottom hole diameter; When drill a bottom hole, depth should meet the standard; Increase the tap of anterior horn, shorten cutting cone length; Can also be appropriate to reduce the cutting speed.

2, screw tap wear too fast: the reason may be the pitch diameter of thread is not accurate.

Should choose reasonable precision grade screw tap pitch diameter; Choose the suitable cutting fluid and decrease the cutting speed; Timely removal grinding taps produce burrs, and appropriately increase cutting cone length.

3, slide tooth: the reason may be encountered the larger sand holes when tapping, screw tap skid.

Should pay attention to check the bottom hole before tapping; Thought to concentrate when tapping, measured hole deep beforehand, and make a deep mark on the screw tap.

4, tapping screw hole slanting: the reason may when hand tap and work piece end face is not vertical; Machine tapping don’t aim at work piece hole center.

When tapping should hold the screw steady, guarantee the tap and hole end face verticality, such as is not vertical, slightly pressure tap hinge hand shank, and makes positive and reverse the tap continuously, slowly correction; The machine tapping screw tap should aim at the work piece hole center.

Whether machine tapping or hand tapping, should be careful, lest appear problem, increase the burden of human resources. Every factory wants to use the lowest cost to gain more interests.

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What is a fully automatic tapping machine?

Tapping machine is a machine tap machining internal thread, it is the most widely used a kind of internal thread processing machine tool. According to tapping machining process, different automation degree, can be divided into automatic tapping machine, semi-automatic tapping machine, manual tapping machine, etc.

Among them full automatic tapping machine work principle is forward-reverse-forward-inversion of the continuous circulation and forward-reverse-stop one-way loop, is to use a specific button switches to operation, also can install foot switch, for selective operation, continuous, one-way, circulation are automatic proceed.

Full automatic tapping machine has fast speed, high precision etc. advantages, tapping out teeth by tooth gauge test. For high speed continuous cycle operation, special motor can be durable, can improve the production quality and quantity. The main thing is that one person can operate multiple devices at the same time, can save cost and reduce labor intensity.

Since full automatic tapping machine face to the market, with its advantages of lightweight, flexible, efficient, more and more get people’s attention and love. Because it avoids the limitations of the lathe, drilling machine or manual tapping, and save time, save labor, the tap is not easy to break, etc. Therefore full automatic tapping machine is applicable to all machinery manufacturing industry, such as mold machinery, printing machinery, packaging machinery manufacturer, engineering machinery, automobile motorcycle parts, etc. industries.

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Multi-axis machine drill sleeve impact on the product

In machinery manufacturing, hole machining is essential to the procedure, and porous processing tools is multi-axis machine. Use multi-axis machine, can effectively improve the work efficiency, greatly reduce the processing cost, and reduce the labor intensity of workers. Of course, improve the efficiency, also can’t ignore the quality of the product, the quality is good or bad factors mostly depends on the machining accuracy of the product.

Drill sleeve, which is installed on the drill template or jig, its function is used to determine the products processed on the position of the hole, guides the cutting tool for processing, and improve cutter in the machining process stiffness and prevent vibration in machining. Therefore, drill sleeve is good or bad affects the product precision and production efficiency.

Firstly considerate to drill sleeve inner hole of the finish, inner hole is smooth, the friction is less, drill friction excessive, processing quality of the products will be more bad.

Secondly drill sleeve can’t be too hard, nor too soft, some drill sleeves are made of alloy, high hardness, long service life, but for the drill bit damage is very big, and the cutter cost will be high; too soft drill sleeve service life is short, cannot ensure the precision of the long time.

Finally drill sleeve inner hole size is accurate, the tolerance as small as possible, because it can restrain the motion of the drill bit. Drill sleeve inner hole and outer hole concentricity also has certain requirements, if the concentricity is not high, then the machining accuracy will be low, the cumulative error will increase.

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Gear cutting machine

It is well known that the gear is the foundation of mechanical transmission components, demand is big, use face is wide, so need the gear processing products are more and more. The emergence of the gear cutting machine, is the most suitable machinery of processing gear.

Gear cutting machine is processing a variety of cylindrical gears, bevel gears and other parts of machine tools. The specifications of gear cutting machine is various, have processing of a few millimeters in diameter gear of small machine tools, processing more than ten meters diameter gear of large machine tools, and mass production with high efficiency machine tool and precision machine tools of machining precision gear.

Gear cutting machine mainly divided into cylindrical gear processing machine tool and bevel gear machine tool two broad categories. Cylindrical gear processing machine tool is mainly used for processing all kinds of cylindrical gear, rack, worm gear. Commonly used with gear hobbing machine, slotting machine, gear milling machine, shaving machine, etc. Straight bevel gear cutting machine is mainly used for processing straight gear, helical gear, curve gear, bevel gear tooth surface, etc.

Gear cutting machine tool is widely used in automotive, tractor, engineering machinery, mining machinery, metallurgical machinery, petroleum, instrumentation, aircraft and spacecraft, etc. various kinds of machinery manufacturing.

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Hydraulic automatic lathe

Hydraulic automatic lathe is a kind of hydraulic feed automatic lathe rather than ordinary cam automatic lathe, because of its control part for program control called program-controlled hydraulic automatic lathe. Hydraulic automatic lathe is a kind of high performance, high precision, high reliability, low noise, low energy feeding type automatic lathe. For copper, aluminum, iron, zinc alloy, plastic, etc material continuously repeated processing.

Hydraulic automatic lathe is made up of spindle box, conveying mechanism, positioning oil cylinder, clamping oil cylinder, after the horizontal drag board, before vertical drag board, before horizontal drag board, etc. Besides, hydraulic automatic lathe is equipped with 2 to 6 independent tool carrier, each individual tool carrier can hold many cutters. Guide rail of the dilemma adopts oil cylinder propulsion and return, by special damping cylinder as a steady speed control. Perfect realized fast forward, fast backward and slow switching. All tool carriers have a variety of operating mode with a variety of combination plan, in a working cycle can be completed most of the turning operation. So it is especially applicable to automobile and motorcycle fitting, refrigeration fitting, plumbing valve, electronic appliance, household appliance, sanitary ware, lamp, tool, hardware, instrumentation, electrical, etc all kinds of batch processing industry, can save a lot of artificial and cost.

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