How electronically end bulges on the rod blanks

 

(57) Abstract:

Usage: the invention relates to the processing of metals by pressure, may be used for the manufacture of fasteners of the type of bolts electronically. The first rod blank is set in the matrix and is clamped on the ends between the support element of the gate and resistant electrode. Using the sensor temperature control of the workpiece and alarm limit temperature set value of temperature TTag. When this is observed, the condition TCove>TTag>Tmoustache.T. e. Carry out heating the first workpiece without its subsequent landing, stop heating. Warmed resistant electrode moves away from the first workpiece (unclamping). Then this cycle is automatically repeated as long as the temperature of the working end of the thrust electrode reaches the value of the established temperature of the working end of the thrust electrode during continuous operation. The first workpiece is subjected to repeated cycles of heating, replaced by another. On alarm limit temperature instead of the temperature of the first heating billets set the temperature of the workpiece during its deformation and machinaries of heat resistant material, exceeding the heat resistant properties of the material of the workpieces to be landing and having geometrical dimensions corresponding to the dimensions of the blanks for the planting. The sample can be made of an alloy based on Nickel: HN 77 TÝR, LGL-3 DK etc. 2 C.p. f-crystals, 1 Il.

The invention relates to the processing of metals by pressure, namely, electrolyzable, and can be used for the manufacture of fasteners of the type bolts.

There is a method of electronically products, which can be achieved by electrovision machine with induction console, which consists in obtaining the correct form of the head part by heating the punch at the beginning of the work to a temperature of more than 450aboutS, i.e. to a temperature corresponding to the steady-state temperature of the working portion of the punch during continuous operation [1].

The disadvantage of this method is the difficulty electrofishing equipment, so as to implement the process electronically you must have an induction station, the high frequency generator, etc.

There is also known a method of electronically end thickenings on rod blanks, comprising heating the working part of the thrust electrode and contacts the sustained fashion heating elements and has a certain inertia due to the presence in the device for implementing the method of electronically insulating sleeve, located between the spiral and resistant electrode, which prevents its rapid warm-up.

The purpose of the proposed method is to simplify the design electrofishing equipment and improving the performance of the process.

This is achieved by the known method of electronically end thickenings on rod blanks, comprising heating the working end of the thrust electrode, the installation of the workpiece in the matrix, clamp it on the ends by thrust of the electrode and the support element, the heating by passing an electric current, the temperature control of the heat resistant electrode and workpiece with sensors and landing thickening, heating of the working end thrust of the electrode is carried out by use of the first workpiece by heating it without further landing to the temperature determined from the condition

TCove> TTag> Tmouth.e., where TCovethe temperature of the workpiece during its deformation;

TTag- heating temperature of the first workpiece;

Tmouth.e. - established the temperature of the working end thrust of the electrode in the process of continuous work.

Then carry out a cyclical interruption of the contact resistant El is t the steady-state temperature during continuous operation, after which the first workpiece is replaced by another, the sensor temperature control of the workpiece is set at the value corresponding to the temperature of the blanks in their deformation and begin the process of electronically. At the same time to save metal as the first workpiece using a sample of heat-resistant material than the heat-resistant properties of the material of the workpieces to be the landing, and having geometrical dimensions corresponding to the dimensions of the workpiece under the landing. The sample is made from an alloy based on Nickel.

The method is illustrated in the drawing.

The device for implementing the method of electronically contains 1 fixed and 2 mobile matrix, the supporting element 3 placed on the gate, thrust electrode 4, a sensor 5 temperature control of the workpiece 6 and the detector 7 ultimate temperature sensor 8 temperature control resistant electrode 4 and potentiometric device 9.

The method is as follows.

The first rod of the workpiece 6 is set in matrix 1 and is clamped on the ends between the support element 3 ' of the gate and thrust electrode 4. With the help of the sensor 5 temperature control of the workpiece and the detector 7 ultimate temperature is mperature working end thrust of the electrode 4 in the process of continuous operation Tmouth.e. and start warming up. Upon reaching the first workpiece 6 temperature higher than the temperature of the working end of the thrust electrode 4 in the process of continuous operation, the detector 7 ultimate temperature issues a command to stop heating. Warmed resistant electrode 4 moves away from the first workpiece 6 (unclamping), after which this cycle is automatically repeated as long as the temperature of the working end of the thrust electrode 4 reaches a value of TMgr.e., i.e. the steady-state temperature of the working end thrust of the electrode in the process of continuous operation, which is recorded using a sensor 8 temperature control working end thrust of the electrode and potentiometric device 9. The first workpiece 6, is subjected to repeated cycles of heating, replaced by another, the detector 7 ultimate temperature instead of the temperature TTagheating the first workpiece set temperature TCove., i.e., the temperature of the workpiece during its deformation, and begin the process of electronically serial blanks.

To conserve metal as the first workpiece using a sample of heat-resistant material above a heat-resistant properties mated landing, for example, from an alloy based on Nickel: KN 77 TÝR, LGL-3 DK etc.

P R I m m e R. In this way produced the bolts M 8 hex head material EI - B. Planting was carried out on the upgraded electrovision machine AEG-1 with the installation of the sensors monitor temperature of the workpiece and resistant electrode.

For a given material, the value of TCove1040aboutC. Steady-state temperature of the working end thrust of the electrode at the selected cooling mode water matches the value of 470-490aboutC. the temperature TTagheating the first workpiece used for heat resistant electrode 750aboutC. On the detector 7 extreme temperatures, which disables further heating of the workpiece when the preset value, set 750aboutC.

As the first workpiece take a sample of 6 of heat-resistant material than the heat-resistant properties of the material of the workpieces to be landing. Sample 6 has a size corresponding to the size of the workpiece is installed in the matrix 1 and is clamped on the ends between the support element 3 ' of the gate and thrust electrode 4 include heating current.

Upon reaching temperature zamykanie sample 6 and the thrust of the electrode 4. Then the cycle: supply of the sample to the hard electrode 4, the clamp of the sample 6, the inclusion of the heating current, the heating of the sample up to a temperature of 750aboutWith the termination of heating, etc. is repeated up until the working face of the thrust electrode 4 on the testimony of potentiometric device 9 is not heated to 470aboutC. At this point the cycle is stopped on the detector 7 extreme temperatures substitute the value of TTag= 750aboutWith TCove= 1040aboutWith the sample 6 of heat-resistant material for mass harvesting and include an automatic cycle electronically. When reaching the preset temperature 1040aboutTo turn off the electric and include a draft of the workpiece. Next, electrolysed carried out according to the process mode.

Compared with the prototype of the invention simplifies the design electrofishing equipment and improves the performance of the process.

1. HOW ELECTRONICALLY END THICKENINGS ON ROD BLANKS, comprising heating the working end of the thrust electrode, the installation of the workpiece in the matrix, clamp it on the ends by thrust of the electrode and the support element, the heating by passing an electric current, the temperature control of the heat resistant elzie electrofishing equipment and improve the performance of the process, heating of the working end thrust of the electrode is carried out by use of the first workpiece by heating it without further landing to the temperature determined from the condition

TCove> TTag/ Tmouth.e,

where TCovethe temperature of the workpiece during its deformation;

TTag- heating temperature of the first workpiece;

Tmouth.e- established the temperature of the working end thrust of the electrode in the process of continuous work,

then carry out a cyclical interruption of the contact resistant electrode with the workpiece until reaching the working face of the thrust electrode temperature, the value of which corresponds to the steady-state temperature during continuous operation, after which the first workpiece is replaced by another, the sensor temperature control of the workpiece is set at the value corresponding to the temperature of the workpieces during their deformation, and begin the process of electronically.

2. The method according to p. 1, characterized in that, to save metal, as the first workpiece using a sample of heat-resistant material than the heat-resistant properties of the material of the workpieces to be the landing, and having geometrical dimensions, the corresponding R the VA on the basis of Nickel.

 

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