JPS5954425A - Method and device for rotation contour spinning - Google Patents

Abstract

PURPOSE:To manufacture easily and at a low cost a thin cylinder, by inserting one end part of a work into a contacting end part of a tail rod which is made to contact with the tip part of a mandrel, and moving the tail rod in the direction separated from the mandrel. CONSTITUTION:A flange part 24 formed on the tip part of a tail rod 18 is made to contact with the tip part of a mandrel 10, and a flange-like part 12a of a work 12 inserted. The tail rod 18 is driven at a rotating speed of the mandrel 10, namely, at the same speed as the main shaft of a spinning machine, and the tail rod 18 is transferred in the direction opposite to a working roll 16 at a speed having a constant relation to a feed speed in the axial direction of the mandrel 10 of the working roll 16. In this way, as for lubrication of the inside surface of the work 12 and the mandrel 10, a state that the work 12 is inserted to the mandrel 10 in the beginning will do, it is unnecessary to apply lubricating oil successively in the course of working, also cooling water does not flow out, and the working is stabilized.

Description

[Detailed description of the invention]

The present invention relates to a method and apparatus for processing an extremely thin cylindrical body using a spinning machine or the like. Generally, when manufacturing a thin-walled cylindrical body using the rotary ironing method from a medium-thick material, the length of the processing mandrel must be 4C longer than the length of the final piece of the desired thin-walled cylindrical body. is necessary. However, as the length of the mandrel increases, -J (the divine failure + B combination) occurs when making a thin cylindrical body. Figures 1 and 2 show an example of the conventional rotary 1. In other words, in FIGS. 1 and 42, reference numeral 10 is a mandrel, 12 is a workpiece,
Reference numeral 14 indicates a rotating main shaft, 16 indicates a machining U-ji, and 1ε3 indicates a tailstock force. The workpiece 12 has a wall thickness of t. , length LQ), is placed at the tip of the mandrel 10, and the workpiece 12 is crimped with the other 16 by Vc, and the processed coke 16 is transferred along the mandrel 10. As the rolling progresses, the unapplied portion of the workpiece 12 moves along the mandrel 10, so lubricating oil is required on the inner surface of the workpiece 12 and on the mandrel 10. , Kamoko's lubricant f1?oil is applied sequentially according to f≠9 workpiece transition during machining [
, must/, L, consumes a large amount of lubricating oil,
Along with 7'), there is a problem in that the machining process becomes complicated. During machining, a large amount of cooling water is poured into workpiece 12, so
till "If-: Lubricating oil leaks [7, There is a drawback that the lubrication effect is not sufficient (even h ff < lk. Especially when machining extremely thin and thick walls, the machining force is relatively low. In order to minimize the process force, fluctuations in processing force due to the instability of the moisture action as described above become severe, and it is important to maintain the force constant at 0t and reduce the homogeneity ratio of the product (Fig. 2). It is. In addition, the problem when the distance between the mandrels 10 is large is that the mandrels 10 are usually made with a 6n calendar, (and even if they are made 4I''4 at a high-class monthly fee. However, [Nok 12's hardness increases due to plastic working to reach L 111055 or more, and the difference in hardness IW with mandrel 10 becomes small, resulting in relatively large wear and tear on mandrel 10. ``There is a problem in that the production cost increases by 1Q, and the manufacturing cost increases.Especially, when the mandrel 10 is made with a 15. Due to the non-uniformity of J and 21J old, (IJfej & number B stationary) - is stored, C is also JC!l trust, lj is wide, 2 nun is also aL and 1-f eyes are 71.,. For this reason, the shrine/Jj, ;゛For both type Mori and 11 no 1 脣力法, pay 1 to d111 Mind note, ゛C1 highest grade technology and dedication work 1-ff1q, perfect circle 1u[, Straight 1', t 2~6μ high 4a river mandrel b, J Gj rai'l, therefore mandrel The rotary shovel mowing method has become a huge problem. "Rotary ironing method", and the equipment that implements this method, all the problems of direct handling (r + Ii) As a result of repeated efforts, the tip and tailstock of the rotary ironing machine inserted into the mandrel of the spinning machine were removed. 2 engages with, and drives this upper sea lion at the mandrel's rotational speed of 1.ff, that is, the spinning machine's main rotation speed, and furthermore, [7 grinding?C
'I'、lul+；1t Tuff-written psychological stick processed 1
-La's Mandre/"l'llll,)J' M s,'
, ; ! J t+lf L&: and constant lY'+I i
'6's: 4 Tsuda1l) i lJf processing 1j-
By means of Ko-shichi, which is transported in the opposite direction to So. Use a mandrel that is slightly longer than the length of the workpiece (as shown in 1-C).
It is possible to easily produce the 1+'T
Between l+"j; point to I? * l'l'l; erased 1~ It was determined that the result is 1. Therefore, the object of the present invention is to use a spinning machine without using a long and expensive mandrel. , it maintains a stable lubrication state between the inner surface of the workpiece and the mandrel during machining, and can produce thin-walled cylinders with high thickness precision and straightness at a low cost of 1 or more per delivery. 3,+'+il 1ji-2) Purpose '51: To achieve the present invention,
A workpiece 4 consisting of a 1.9T constant cylinder is stored in a part of the mandrel, and the outer peripheral surface of this workpiece (C force [1 work 1 cola is applied 1 blow [simultaneous rotation 1. In a spinning machine that pressurizes a cylinder, the workpiece is inserted into a mandrel that is slightly longer than the length of the workpiece, and
One end of this 1 nok +S[5-f-Abuts on the tip of the mandrel:~da Shinshin Keyaki's Abutment 1'>5 rWta part, and separates from the mandrel while rotating at the same speed as the Shinshin Kokeki mandrel. It is characterized by moving at a constant speed in one direction. In the above-mentioned rotary rolling process method, I'Jr of the machining U-ra grape mandrel is fixed at a fixed position 1 to i7. It is preferable to use ji to move Shinshin Kei. In addition, it is preferable to move the machining τj-ra in the opposite direction to the Shinshin-bo at a moving speed that has a predetermined ratio to the moving speed of the Shinshin-bo. rM! : jf≧1Jt - When carrying out the processing method of the present invention, C is a part of the mandrel with 17 circles fm
Insert a workpiece consisting of IvI-,, and process the outer peripheral surface of the workpiece 1 cola 4, this I well 1.-7-by rotating ironing process t)+fγ flesh circle im': a-, /jll 3. On the spinning machine, do you have a long line of "7-Kuriben, \"? The tip of the mandrel is VC psychology? -”] axially abutting arrangement 2, one piece of the workpiece M fit! '?'
In addition to providing an RJ sword and a double 1 holding part, the Shinshinbo is 11
1 + power direction & (i 111 transfer 1. Nakara transfer) ii J Noh I ゛ 4 formation "7 taka" 2 device me ゛ 1 money 1 fi evil (゛Ko 1 history jlI can be done. i!i1 Rotation of F+[,: 1. Grinding device 1・-“
In this case, the holding part provided on the Shinshinbo is a flange provided at the tip of the Shinshinbo, and a flange formed on this flange at one end of the workpiece 1-7, which holds the flange-shaped 1'fll, part. It is preferable to attach a thin ring equipped with a ring with a metal ring with a tool 11 so that it can be removed easily.Also, it is preferable to attach a ring made of a wear-resistant material to the tip of the mantle. Next, the details of the rotary ironing method according to the present invention will be explained.
By way of example, this method can be used in relation to a 1fr to iF detail in relation to a 1fr to iF detail, see the attached drawings below.
Etsumei 1-ru. Figure 6 and Rabbit, 4th punishment, processing the rotation E~ according to the present invention! ! Figure 3 shows the state before the workpiece is inserted into the mandrel and processed, Figure 1-2 shows the state before processing, Figure 4 shows the state after processing. For convenience of explanation, the same reference numerals are used for the same components as those shown in Figures 1 and 2. r'j is omitted. 35- while the mandrel 1 is shown in Figure 6.
0 is 1 node 12 I'+tl ;? 9' A 'f'
'AI - mandrel 10 and rlTl - from outer diameter', /
ruru ring) credit V 20 allowance per month] required. This reeling member 0 & this forms the ↓ part 22, and engages the step part 72 of the workpiece 12 and the groove-shaped part 12ai formed in the i part, and the psychological part 22 is inserted here. 1ε
1524 is brought into contact with the flange formed on the front part of No. 3 [2
[lj' 1i139-flange-shaped part 12a of the block 12
to hold. At this JjJ joint, a locking tool 26 such as a bolt or the like is appropriately screwed between the flange portion 24 of the Shinshin 4408 and the abutting portion of the ring thin wire 20 to fix them integrally. (Also, a real mli consisting of 111 yen
2) Rotate and press the fli device i7 in two ways.”
:” * N+f, clear. Now, the thickness of the 1st node 12 inserted into the mandrel 10 is 1°, and the height of the J is 1°.
7, position 1 cola 1 ro in force old position ■ to position i [j5 If
Go to the left and start the rotary ironing process. In this case, if Shinshin 4'11f3 is fixed as speed 11V2: (J, then 4;
The unprocessed part of 2 is simultaneously left row -J (also known as V) 1.
IQ l, -Kazi, Book A! If you apply tJ to the l + invention, Shinshinbo 1B Kesen 1μv2, the unprocessed part of r soak 12 will not be left i, and the ratio of speed V to continuous output -V will be 1 :(j t V (- By setting 2, add I' in this way / If tll-la 16 is in place, If sweet 1.・, By doing so, we complete the addition f -4- 1] can be done (see Figure 4). This QA ft.
Rotate and remove the rotation of psychological salary 41V anti-shadow A. (2,
Return to the workpiece and the first one starts tI7, then f for 1 time, +1
-Jh kJ: Good luck 11. According to the present invention, this il + i' + result is 11 + i in work 12).
1. /le 10 and no + i7J 18 ij, the highest 7/J ゛Soak 12? L mandrel 10iC insertion
You can use the square of jji, as before, add
There is no need to apply '2J lubrication, and there is no need for hand cooling water to flow out, making it possible to stabilize the process during processing. Na, the above-mentioned 1~da machining [3-ra 16 movement speed 1me 3"V
l and the moving speed of Shinshinsaku 1B, 1JV2 are the same as machine tools, using the pole screw Hotaru 127-f black computer Kinsuke l-7 and setting the ratio of 1/V2 appropriately based on the numerical value 1ItlJt. Easy to operate between 1 and 1'jll
I can do that. Therefore, the present invention G Koyoichi 1j-:,
Since the length of the mandrel 10 can be reduced to 4 to 4 mm compared to the conventional one, the production of the hemandrel is also comparatively easy and has a high sheath of 1" and a low height of 111". In addition, when machining a workpiece, the lubrication condition between the inner surface of the workpiece and the mandrel is stable ()Cm, and the strength of 11 soil and rice, and 4 less thin-walled full-center pressing is required. Since it is in the state of the river, the 1st node and the mandrel are not in contact with each other, so 1≠0 and the friction resistance is reduced by 111f. , meat 1'l, 4
i'i id high machining total fire rate - 17 g, ie, thickness' j+A IJL resistance is thick (7 it
i1. l'1, 11 years old (medium output 1;
ξ・σ becomes 1t], the thickness of the sorter changes to thicker.
4ru, J, p, [4↓((anti or small il, b,
The material flows in the direction of the needle 1°] 7cm, and the thickness is 7i'7
Similarly, even if there is a change in the lubrication percentage between the mandrel and the inner surface of the workpiece, the wall thickness v21 and the ratio 1- will change, so in the conventional force 11 method, this To the shield...i-Cii,'rl/i: It had a big influence, but it was a big influence, but it was the 11th point of the ``1 cigarette'' u

[Revised to 1st author]
(Susa f-1-ru.In ◇5, the above processing j1)'-1
+'4', using S7, meat no vto = 1, //>
nun, I￥sa Lo == 5 (I Onun's work gold 1ilj 1..-r, Meat Nowa L"0.4n
Between, length 1) = 2 C1t JOL
V, =! + 0 +++m/'min, heart'fq1. f4ttJ) g4jill speed 1 & v2=
90 mm/min, V1/V2= /3
'J'j'Qf le? 1 and VCJ, scold - C' I
It is certain that we can produce a Yen Commercial Tablet of 'll'l quality. One: one? X, 2J'L 31 near 1, small / 1
1 ゛・Using 1 s/, the present invention machining force method (υ different -),
2 is 1j t'Jll and ゛C1 is added to 1-La 16 is iz 15'f(,' 1i□・1nd 1-2 (that is, the moving speed jψ of -7 to =Q
and L), psychological salary 18 VCjhlll movement speed 1.
By giving i V2, it is possible to perform the addition of work 12. In this case, with part 1 of mandrel jQ ('fz 4, 'i), there is a surface fI wear problem on part 1 of mandrel jQ ('fz 4, 'i). For example, if the mandrel is made of 5KD11, or as shown in FIG. Mandrell's actual observation Yuzo by Kokichi.
The goal is to reduce strikes. In this way, a part of the mandrel 1o is attached to the ring 28b:
) 1-1 working fluid, this ring e this carbide metal metal 11 2] strike (c) is not very open. What to doVCJ: ri, v1/V2 = Otof(t), V1
/V2=within the range of 0 to 15, depending on the properties of the metal material, and 1. By constructing a part of the mandrel with a ring, the annual production cost of the product can be reduced by IJ(n). , The history of kiln history of the present invention (deviating from the 1'7 God)
, to do V'', of course, is one quotient.

[Brief explanation of drawings]

Figure 1” 2? The conventional rotary saw A machining process for R2 is one time, four times,
Figure 1 shows the state before the work was inserted into the mandrel. Figures 1 and 2 show the state at the end of machining f after moving the 1st and 7th positions. J-Rotary Irrigation According to the Present Invention"LiII. (Mandrel 815 minutes'tV RI + 1 side ll drawings Figure 4 is an explanation of the operating state showing an example of the machining method using 7 pieces of machining equipment II' shown in Figure 5) Figure 5 shows the device 1a of the present invention.
FIG. 6 is a partially turned side view of the tip of the J manodrel, showing another embodiment of the invention. 10...Mandrel i2. ,,Work 12a・
・Norange-shaped part 14...rotation II1111
6...Ka. , [a-i 1B... Heart buried Keyaki 2 []... Ring member 22... Step
Part 24...Norange sound V+')6...1 thread 112 Tool 28...Ring

Claims (1)

[Claims] (1) A workpiece consisting of a predetermined thick inner wall 114 is inserted into a part of the mandrel, and a processing roller is brought into contact with the outer peripheral surface of this workpiece, and a thin-walled cylinder is formed by processing at rotations L~. Place it in the spinning machine to be processed, and insert the workpiece (6), which is formed slightly longer than Nork's J. Clamp the abutting end of the tf! I'j+
I-: Rotate the tailstock at the same speed as the mandrel and rotate fr
Br constant speed in the direction opposite to the mandrel and ~IL from J) 1
A rotary ironing method in which the table of movement is set to il, '1. (21li, ￥E+'M request completed! Box 1) In the rotary ironing method described in J1, with the force 1j IJ-RA identified at the predetermined position of the mandrel, shift the mental frame to obtain L. Rotary ironing method. (3) Patent, +/j request (1) did enclosure 1st LLl i
ic: 1i15 times HL L, (: # In the MI construction method ¥C, move force 10 niura in the opposite direction to the psychological frame at a moving speed that makes the ratio of the moving speed of the psychological frame and l-shape constant to 1. (4) A workpiece consisting of a specified thick-walled cylinder is inserted into a part of the mandrel L, and a processing roller is brought into contact with the outer peripheral surface of this one nok and rotated. ]2 Thin-walled cylinder 'f?addition I
In a spinning machine that is slightly longer than the length of the workpiece (-7), a psychological frame is placed coaxially in contact with the tip of the mandrel, and one end of the workpiece is placed at the end of this center jlII rod in contact with the mandrel. At the same time, a holding part is provided to hold the part, and the psychological frame is rotated in the axial direction while moving.
A machining device that saves 47 years in the town. (5) lf! i#'F M seeking season fj No. 4 No. 11
+i+-: Kai's IL Tomoe j turn 17. Koki machining ψili
<i: In the heart, the keystone of the heart is held 91 (ν)
S, a tip 61i of the psychological frame K flange is provided, and a wall is formed at one end of the flange 1. A ring f? has a stepped portion that holds a lunge-shaped portion. A rotary ironing device that is detachably attached to an IY-tool VC. (6) % Scope of Claims Section 4 or Section 5 i11. In the rotary ironing processing apparatus described above, a ring made of an abrasive material is inserted into the tip of the mandrel in an exchangeable manner.