CN1104135A - Technology for production of anchor and ring-chain with d24-d32 chain diameter by using 150 or 160 butt welding machine - Google Patents

Abstract

A technique adopts butt resistance welder with 150 or 160 Kilovolt ampere to produce anchor loop chain with the anchor chain diameter d24-d32. The process of the method is that after the blank sheet, which is processed metal cutting chamfering edges 2 or metal cutting groove 4, is bended and closed, using the electrode holder 6, 7 to heat the anchor loop chain 2, and then using butt resistance welder with 150 or 160 Kilovolt ampere to weld. The existing process of producing anchor loop chain with the anchor chain diameter d24-d32 can not use the butt resistance welder with 150 or 160 Kilovolt ampere, the method makes up the shortcoming, and plays a positive role on saving energy sources and reducing the production cost.

Description

Technology for production of anchor and ring-chain with d24-d32 chain diameter by using 150 or 160 butt welding machine

The present invention relates to a kind of electric welding anchor, loop chain manufacturing technique method, particularly a kind of electric welding anchor peculiar to vessel, loop chain manufacturing technique method.

Present electric welding anchor peculiar to vessel, loop chain production have two kinds of processes, and a kind of is the multistation manufacturing technique method, produce the following specification electric welded anchor cable of anchor chain diameter d22 millimeter on 150 welding machines or 160 welding machines; Another kind of four station manufacturing technique methods, bar heating back produces the above specification electric welded anchor cable of anchor chain diameter d24 millimeter on 220 welding machines or 150 * 2 welding machines.With the existing technological process of 150 or 160 butt welding machines being, blanking → pressures mouthful → curved encircle → heal up → weld → deburring → pressure grade.Welding procedure is to be interrupted flash of light → group flashing light → upset → pressurize.Production technology employing equipment is pressing equipment below 100 tons, 150 or the 160KVA butt welding machine, and capital equipments such as machine for removing bur.This 150 or 160 welding machines adopt the multistation process, and installed capacity is little, can produce the electric welded anchor cable that welds the following specification of d24, then can not weld production to the electric welded anchor cable of medium specification more than the d24.220 welding machines or 150 * 2 welding machines adopt four station manufacturing technique methods, though can produce the above medium specification electric welded anchor cable of d24, but equipment investment is big, installed capacity is big, and the power consumption height is produced d22-d32 specification electric welded anchor cable, then investment is big, the cost height, of poor benefits, so only be suitable for producing the above big specification electric welded anchor cable of d32.Bar as shown in Figure 4.

The object of the present invention is to provide the welding of a kind of 150 or 160 butt welding machines to produce the process of anchor chain diameter d24-d32 millimeter electric welding anchor, loop chain.Particularly a kind of gold is cut chamfering and static heating welding procedure and manufacturing technique method.

Manufacturing technique method of the present invention is achieved in that and adopts 150 or 160 butt welding machine productions of producing the following small dimension electric welded anchor cable of anchor chain diameter d24 millimeter commonly used to weld the manufacturing technique method and the welding technique of isotactic electric welding anchor, loop chain in the anchor chain diameter d24-d32 millimeter.Technological process is, blanking → blank two ends gold cut processing → curved encircle → heal up → weld → deburring → pressure grade.Welding procedure is quiet heating → interruption flash of light → group flashing light → upset → pressurize.This process adopts capital equipment, pressing equipment below 100 tons, the lathe of 150 or 160 butt welding machine machine for removing bur and Jin Qie equipment etc.It is the welding both ends of the surface of ring body blank to be cut at gold carry out gold on the equipment lathe and cut chamfering or golden beveling that blank two ends gold is cut treatment process, to reduce to weld initial arcing face area.F is an amount of flash, d1, L1, b presses d1＜20mm, L1＜F/2 and b＜314/dmm and determine, quiet Heating Chain ring body in the welding procedure is heated to about 800 ℃ chain link ring back of the body temperature, to reduce to weld propelling resistance within a certain period of time, and then reach and reduce clamping force, make it less than 98KN, its heating means are to carry out static Heating Chain ring body before the welding of chain ring body, and quiet heat time heating time

$t={\&Integral;}_0^{800}\frac{{\mathrm{\&rho;}}_m\&CenterDot;{\mathrm{<figure-callout\; id="2"\; label="S"\; filenames="931211786\_DRIMG2.png"\; state="\{\{state\}\}">S</figure-callout>}}^2\&CenterDot;C\&CenterDot;R_2}{U^2\&CenterDot;{\mathrm{\&rho;}}_R}\mathrm{dT}{\mathrm{\&rho;}}_m$

Be density of material, S is the anchor chain diameter cross section, and C is the specific heat of material, and R is an all-in resistance between electroplax, and T is a temperature, and t is the time, and P is 10 ^-7* (1+5 * 10 ^-3.T), U is a voltage.

The present invention have the investment little, the input-output ratio height is that equipment is few more than 1: 5, cost is low, it is little to consume energy, instant effect, benefit advantages of higher.

After Fig. 1 blanking blank is carried out the bar diagrammatic sketch that gold is cut chamfered.

After Fig. 2 blanking blank is carried out the bar diagrammatic sketch that golden beveling is handled.

Fig. 3 heals up the back to the preceding quiet heating diagrammatic sketch of anchor ring serobila welding.

Fig. 4 anchor ring chain of the prior art bar diagrammatic sketch.

The anchor ring chain that present embodiment is is d28 by this processes anchor chain diameter.Fig. 1 by anchor, the blanking of loop chain requirement length after, on lathe through chamfering gained bar 1, the diameter d of bar 1=28 millimeter wherein, chamfering 3 end face diameter d ₁＜20 millimeters, chamfering 3 length L ₁＜F/2, F is an amount of flash, is specially L ₁＜6 millimeters.Fig. 2 then is by after the blanking of anchor ring chain requirement length, the golden beveling gained bar 5 of process on the lathe, its bar 5 diameter d=28 millimeters, the width b=9.8 millimeter of groove 4.L ₁＜314/d, L ₁＜6 millimeters.Bar 1 or bar 5 are bent ring, heal up and load onto heating electrode chuck 6,7 and connect power supplys anchor, loop chain body 2 are carried out quiet heating, heat time heating time

$t={\&Integral;}_0^{800}\frac{{\mathrm{\&rho;}}_m\&CenterDot;{\mathrm{<figure-callout\; id="2"\; label="S"\; filenames="931211786\_DRIMG2.png"\; state="\{\{state\}\}">S</figure-callout>}}^2\&CenterDot;C\&CenterDot;R_2}{U^2\&CenterDot;{\mathrm{\&rho;}}_R}\mathrm{dT}$

, be calculated as t=6 second, make the temperature of anchor, loop chain body rise to 800 ℃, stop heating, utilize 150 or 160 kilovolt-amperes of butt welding machines to be interrupted flash of light and group flashing light, upset, pressurize welding procedure again.

Claims (4)

1, a kind of 150 or 160 butt welding machines are produced d24-d32 anchor, loop chain technology, this technology is to adopt 150 or 160 kilovolt-amperes of butt welding machines and pressing equipment below 100 tons, gold is cut anchor, the loop chain that process equipment welding processing anchor chain diameter is d24～d32, processing process be blanking → blank two ends gold cut processing → curved encircle → heal up → weld → deburring, wherein welding procedure comprises quiet heating → interruption flash of light → group flashing light → upset → pressurize.

2, anchor, loop chain new process for processing according to claim 1 is characterized in that after blanking gold being carried out at the blank two ends cuts chamfered, blank end face diameter d after the chamfering ₁≤ 20 millimeters, chamfering length is L ₁≤ F/2, wherein F is an amount of flash.

3, anchor, ring new process for processing according to claim 1 is characterized in that, after blanking, golden beveling carried out at the blank two ends handle, and groove section width b≤314/d, wherein d is a blank diameter, the groove length L ₁≤ F/2, wherein F is an amount of flash.

4, anchor, loop chain new process for processing according to claim 1 when it is characterized in that the chain mouth carried out quiet heat treated, are heated to 800 ℃, and be heat time heating time:

$t={\&Integral;}_0^{800}\frac{\mathrm{\&rho;}\&CenterDot;S^2\&CenterDot;C\&CenterDot;R_2}{U^2\&CenterDot;{\mathrm{\&rho;}}_R}\mathrm{dT}$

In the formula: P _m-density of material S-anchor chain diameter cross-sectional area C-material specific heat

All-in resistance T-heating-up temperature t-heat time heating time between the R-electrode

P _R=10 ^-7* (1+5 * 10 ^-3T) U-heating voltage

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