JPS58147564A - Surface treatment device for driving body for tape - Google Patents

Abstract

PURPOSE:To roughen the driving parts of driving bodies for tapes to the highly durable driving parts which run the tapes stably and surely, by projecting the driving parts of the driving bodies from the outlets of the respective insertion holes of a holder through the elastic holding members provided at both ends of the respective insertion holes and immersing the driving parts into an acid soln. CONSTITUTION:Capstans 14 of surfaces to be treated consisting of an alloy consisting essentially of Fe, Cr and Ni are inserted into the insertion holes 331 of a holder 33. Two pieces a set of annular elastic holding members 332 are provided near both ends of the holes 331 to prevent the intrusion of a soln. into the holes 331. While the lengths at which the capstans project from the outlets of the holes 331 are adjusted constant, the holder 33 is engaged with a treating bucket 35 so as to cover the upper part thereof. Then, Fe components are mainly dissolved by the acid soln. 32' fed at a specified amt. in the bucket 35, whereby the surfaces in the driving parts for tapes of the capstans 14 are roughened.

Description

[Detailed Description of the Invention] [TECHNICAL FIELD] The ζO invention relates to a surface treatment device for a tape drive body suitable for the capstan force of a D tape recorder, for example, for stably and reliably running a tape. Make it look like this.

[Invention O technical background]

As is well known, a tape drive such as a capstan in a tape recorder is supported as shown in FIG. That is, - middle 11 is the main chassis of the tape recorder, and the support cylinder 11 is inserted into the through hole 111 formed at a predetermined position.
1, # has a tsuba 5121 formed approximately in the center.
#II J I J K forming g letter a hole J J x.

Screws Jj and Jj are inserted into 111 respectively, and O screws Jj and Jj are inserted into the main chassis JJK forming field.
17. JJjK#s is attached to the main shear'/J JK--.

Inside the support cylinder 12, there are four inner shafts 14. This capstan 14 has a through hole 1 formed in the fixed center of the wheel IJ at its middle and lower part.
Since it is inserted through and attached to the flywheel 51, it rotates integrally with the flywheel 15 and rotates φ. Further, the middle shaft stand 14 is supported by support members J# and IFK provided at the upper and lower parts 11 in the figure within the support cylinder 11 so as to rotate smoothly without wobbling. The lower end of the capstan 140 in the figure is the bearing of the main chassis JJK and the main chassis J# which are arranged approximately parallel to each other.
# is being worked on. In addition, the above-mentioned seven twin wheels 1j can transmit one-turn force to a motor (not shown) via a belt 1o.
Connected to I@.

At this point, a pinch roller z1 is installed at the middle and upper part of the capstan J4 with a tape 11 interposed therebetween so that it can be pressed against the pinch roller z1. This pinch roller 12 is attached to a support member as shown in the figure at 1-14, which is embedded in a slider 211 that can move in the directions of arrows A and B in the figure in conjunction with the operation of an operation member O for constant speed running of the tape (not shown). 11, and is rotatably supported. For example, when the tape is stopped, the flywheel J1 and capstan 14 are transferred to the above-mentioned 1g1 rotational force and rotate stably Kfg1, but the slider IJ moves in the direction of arrow \B. It is out of place,
Since the pinch roller z1 is away from the capstan 14, the tape does not run. In this state, when the tape constant continuous feeding operation II is operated, the slider z1 is moved in the direction of the arrow in conjunction with the operation, and the slider z1 is moved in the direction indicated by the arrow.
(a), (b) As shown in enlarged K, pinchy-yl
Yapstan 14 now that l has turned 1 through tape 11
The tape is connected to the KFE and the tape is run here.

Here, the driving force F for the capstan 14 to run the tape 11 is approximately expressed by the following equation.

F - (Voice, ◆Kishi,) P However, #1: The friction between Chive 11 and Pinchlow 211
1lI coefficient μ! :Tape 21 and capstan 14 and c+$1m coefficient P: In order to increase the driving force y for pressing force on the tape 11, that is, for stable and reliable tape running, if the pressing force P is constant, friction It can be seen that the coefficient μm is good for increasing the proverb.

First, the portion of the capstan 14 that is supported by the support cylinder J1 via the support members J# and JP is desired to rotate smoothly, so it is desirable to reduce the frictional force. The portion of the capstan 14 that is supported by the support cylinder 11 has low friction, and the pinch roller
The tape drive portion to be subjected to lI must be configured to provide high friction.

For this reason, in the past, the capstan 14 was made of iron (F.
), chromium (Cr), and nickel (N1) as the main components, the surface is formed to be a smooth surface with little friction, and then the above-mentioned pinch row 2
Sandblasting is performed as a surface treatment on the portion that will become the tape drive portion to which 21 is pressed. This sandblasting process is performed to harden the tape drive part of the capstan 14 at high speed (for example, in the case of 4P4, it is a ceramic construction).
The fine particles are marked by scraping off the surface of the tape drive unit to form KILIilizgt as shown in FIG.

In this way, as shown in an enlarged view in FIG. 4, when the binderfew 2z is crushed by the cag 1714 through the tape 21, the friction scratches between the tape 11 and the pinch roller 22 can be removed. , and the friction damage between the tape 21 and the capstan 14 can be made larger, and as a result, a larger driving force can be obtained.

[Problems with background technology]

However, as mentioned above, the conventional technique of embedding the tape body in a tape structure causes the following disadvantages. That is, as shown in the photo (800x), the middle layer of sandplast layered with mold I
IAtk Tuftsuta is experiencing a financial crisis. For this reason, depending on the condition of use, the tape 11 scrapes the raw metal part of the taratu, causing the lI-force to become greasy, making it impossible to maintain the initial performance for a long period of time, resulting in poor durability. ◎In the case of metals, especially those that have been subjected to Nando blasting, the above-mentioned iron, tarme, and nickel components are exposed randomly [but talome, nickel, etc.] In comparison, since iron is soft, it is subject to severe wear due to zero friction with the tape 11, and this point is also a factor in reducing its durability. Damn it, Nandoblast treatment involves hitting the tape drive part of the tape drive part of the life yapnutan 14 with hard fine particles at high speed and scraping and weaving the area directly in front of the capstan 14. The diameter of #&salted coarse @JfllAII is smaller than the ring of the part that cannot be imitated by Nando Plast. For this reason, there is the inconvenience that a rough surface sI- is formed with a break in the axis of the part that is not treated with Nandoplasty. 4. Therefore, we would like to provide a surface treatment for a tape drive body that allows the tape to be carried stably and in a 1A * VC range, has excellent durability, and can also be used in storms. purpose.

[Ji[)IIIF] That is, the surface treatment m1I of a tape drive body according to the invention of Jin
The II& J! jiii!
A plurality of insertion holes formed with a diameter of 0M1l are provided in sets of two in the vicinity of the threaded ends of each of these insertion holes. A holder comprising a plurality of sets of elastic holding materials for holding the tape in a more protruding state; Chemically activated and reaction field 1Iil #
Translated by dividing the C component into five parts -
The 41st image is that the package F is provided with a bulk packet F in which a solution capable of forming a coarse shape is compressed.

[From -o11ml'll] Below, I will refer to the first page of Kazuki's example of Tonoya v4.
In Figure 6 and Stripe 7, parts that are the same as the 3rd and iris 411 will be described using the same symbols. That is, the middle Yapsutta ν14 is made of soft metal material of #C (F・) type and Coombe (Cr), = Tsuke A (N
The above-mentioned capstan 14 is formed by mechanically finishing and polishing, for example, 1 s of the tape to which the Vincirotz 11 is pressed. , by applying a surface escape field to be described later, a rough surface portion 1r free from fine and footer distortions, etc. is formed, and the axis of the rough surface s1r*+Yagnumenx40Ft
A-turn - try to do the number between the heart and the heart.

As shown in the enlarged view of the kite 1-, when the pinch ruler 11 is in pressure contact with the capstan J4 via the tape 11, the tape 11 and the vintage tools z1 and 0
@Dedicated staff member μ3. And the friction coefficient between the tape 11 and the capstan 14 can be made large, and the tape driving force for the largest tape can be obtained. Even if used for a period of time, the initial driving force will not be lost and the durability will be improved.

Also, here is the rough surface section xro! ! The soft metal material of the iron part is located in the 1* part, and the above-mentioned latitude - is located in the protruding part.
Mmm! The structure is designed so that a hard metal material such as a hard metal material is located, and the durability is enhanced by making all the parts of the capstan 14 that come into direct contact with the tape 11 with a hard metal material. It is effective in 41 points.

Therefore, the above mwszror! ! m on J-shaped and protruding parts
The fifth time, I put my arm on my side so that Lutskel could serve. That is, this is done by chemically activating the surface of the tape llAlIb*iA of the capstan 14 as in 1IIr and applying Il[]4M1, which reacts with acid and dissolves the iron component. To put it in perspective, on the surface of the tape drive part of the capstan 14, as shown in No. For example, the component ratio of the term and O unit wi product is Kt as shown in jl19mK. -Analyzing the O component ratio of 03IL 4C)
It can be seen that the iron content is considerably higher than that of the term.

Now, when the surface 111 of the capstan 14 used for fishing in the above state is chemically activated and the iron component is dissolved by 1w of reaction with the spear, the surface of the capstan 14 mentioned above becomes Ill (It As shown in , the concave part of the I!L1 part 21 of 7 is iron and turtle, and the center shape.
In order to do this, the capstan 14 is chemically treated as follows.

■ m* Remove the capstan 14 with a grease removal material, for example, commonly known as Tritale Y6 (
Therefore, wash and remove oil.

■ Soge in the mass (1) Capstan 140 as shown in No. 1111
@OII parts except picture s11 are made of trout (vinyl acetate)
Put it inside jJ and pull it up.

(2)) As shown in No. 1111, capstan 14! Sukinda jig 110 hole J jJ J K.

Insert the maskin f*Za from the side with which it is attached, and insert it
If you put it all the way to t, which is about 10, then you'll be at Yutsuku Juku - while pulling I.
ll K<.

(I bought a capstan 14 with a price of 11131klK)
Insert the drying jig 310ai hole JIIK as shown. Carbora etching job 111M price, as shown in stripe 14, drying jig 11 and capstan J4011i*sr, for example C, P, L (a little carborizing liquid) 11 etc. 07
Hydrogen fluoride compound @i [#jic abbreviation'jl about 2~
By leaving it on for 3 minutes, the iron components are mainly dissolved.

■Water ■Medium Soak in Japanese water fkiIk sodium carbonate solution for about 30 seconds to neutralize. jltll Natoriu A (5-10g'/j)■
Water Wash 0 Term Acid Asahi 1 Heavy Ta vxA@Nadriu A (10gr/j) Immerse the Kei Calporus etched portion in the ill solution for about 1 minute at room temperature.

■Water wash O-v NuΦda 0 removal above drying ft! Remove capstan 14 from lAl1 and IJ
& Removal of dirt in the i-sleeve with ethyl alcohol.

0 When drying as shown above
*Wi is turtle, iron, talome, and 0tilt ratio is jllllgi as shown in the photo of original figure 15 (50@倚)
oXI) As shown in the Mital Analyzer, the ip h is significantly reduced compared to Sabakaikaku.

Next, in the above ①Chemical porous etching treatment@i, we will explain about l-, which mainly dissolves iron components. For example, as represented by C, P, LIl,
The main component is a combination of sulfuric acid and hydrogen fluoride,
0 Mountain 804 + 2HF → H801F◆H, 0◆F-...(
1) Because of ζO, #(F・) and nickel (
The following chemical reaction is expected to occur in a simulated alloy whose main components are Ni), aluminum (Cr), etc.〇-) F・◆! To F −+Fel ・・・・・・・・・
・ (2) (Tar A) Cr + 21--
+CrF@-” (a) (Nickel)Nl+
lF-→N1F1... (4) By the way, in this case (2)), iron reacts violently even at room temperature,
(8), According to the formula (4), tert and nickel react as if they were brass, and at 1 kvh, the reaction starts with a foreshadowing of ignition to 1, which is due to their O-negative properties. Te-ゐ〇tsu Kayase, Q) As long as the 0 knee is φd with an electric current (because there is also reaction heat, it is allowed in the ao'o stage at room temperature) and φ, it will be used as a distinguished guest. Only the above @) formula OII response occurred, and 4 of the iron content was 111m from the middle Yapstan 140 rough
There is something that can be melted into the minato-tan used for cleaning.

By using only strong acid solutions such as hydrochloric acid, sulfuric acid, and nitric acid, the ionization gradient series of metals is as shown below: Na, Cat Mis A71 Zne Cr
, Fs, CdtCo, Ni, 81 Pbe F
@ e He Cu, Ate Hgsmu 菖
・・・・・・・・・・・・・・・・・・(S) As a result of the koji relationship, Fee Cr5Nl is located close to each other, so when using the fluorinated water bulk compound -Kanj1. The reaction like 1*Meet*Answer was obvious.

And for the sake of the above, masking mites tend to cause masking failures due to the fact that the process itself is very complicated, and this is due to the need for masking removal in the JIS field. This is further encouraged by making it a necessity.

In addition, it is said that mass production is not necessarily taken into consideration through the metal body in the above-mentioned process.
stomach.

So, this O invention! We would like to provide a device for wetting a single step of the deep drive unit, which can be used as a skin mite machine and has mass productivity. Preferably, the middle layer 1 stun 14 for the inner layer to be subjected to the surface treatment process is the holder SSO hole IJ1! IC#IP passed 0 Renζ
The holder JJ has 1111111) capstans 14 that can be inserted into each other in the axial direction at 41":), has a predetermined copper pot like a lattice shape, and has a flat pull-shaped base sag with an insertion hole with lk ridges. 111 is formed, and rubber materials and bulky materials (?・4, neoprene, crane cape) were found in pairs near both ends of these holes 1110, and 41 An elastic holding member JJJ made of acid-resistant OA (preferably silicone rubber) is provided.

In addition, 33J and xx4 in the figure are the upper and lower WC1 of the base SSO.
It is a ★ bar attached by #lA abandon ass, JJ#, etc.

And keep it at #4wA! K, who holds the capstan 14 of the characteristic number 11 in the 1st smell 11, is able to make each medium
The exit of the insertion hole of the hole 14 is 7 & 1 when the amount of output from the east is constant.
It would be convenient if it was done by an insertion machine that could control the function of control.
A pair of base s4mKIg with a fruit part between 4"1 and 611111111 + J4Jt 144 screwing amount. Research gear J4J's knob 146 that resonates with these and Gear Sosha.
By making some adjustments, the OdP Yaps I 1410% output amount (j) on the plywood 14F can be adjusted appropriately. The holder 13, into which a plurality of capstans 14 are inserted and held while the amount is adjusted to a constant level, is inserted so as to fit over the top of the 4611 packet IIO as shown in the 19th article.In this case, In the treatment packet 15, the protruding portion of each container 14 is completely filled with OJ6-layer droplet #1' for the above-mentioned carbola sulfur treatment.
In this case, each capstan J4 has an O-ring-shaped elastic retaining member attached to the retainer jjK to hold them together. 132, the setsubun that has not been inserted into the electric layer #11 x z' is effectively sealed, and the masking was done without any special mass-training. O ago-, which has the advantage of being imported, shows an exomorphic crow for No. 191i11.

Therefore, such a tape drive OSN+ processing device is
This makes it possible to eliminate the need for the theory of dust and mites, and also to enable mass production.

In the above-mentioned Example II, the Yapsun 14 was shown as the chive drive body, but it goes without saying that this also includes those for O-guidance, such as the four-piece tape guide.

However, the above-mentioned theory 9'4KWA is not defined by the above-mentioned theory II, and it is possible to deviate from this concept and deform each one under the axle load and apply it collectively.

(Da side - Rih ma) Therefore, as detailed above, this Ii Liu
The tape is stable and can be easily scratched while running, making it durable!
A tape drive that can be used as an excellent IK gun.
It will be difficult to provide the goalkeeper with an H-plane escape.

4111ie Simple Dragon Explanation 1- and 2 (1), 弽) respectively explain the installation of the middle Yapstan O and its O crop rotation. The To diagram and the upper maA and ms kaku are respectively enlarged versions of the conventional O life Yapsun.
A photograph showing an enlarged view of the direction of the Kyagusukun. Figures 1N6K and 7 are side views showing the case where it is applied to a medium-sized tape drive as an example of the tape drive by ζO1l light, and its state 1111+. 11m% Figure 18 and Figure 1 are respectively finished polished iron and chrome in the 110 table.

The position of nickel, etc. and the composition ratio is shown - Picture and False - 1 Turtle 10 Iris 6 Jealous capstan is chemical # & salted, and the iron concentration on the surface, aay Kel t01
iZ Okiko-related meeting showing side-1III 1ildno #Island 14
- is the chemical treatment of the record - of JL11IJ
The figure below shows the chemical department 1 to take care of one aircraft.
Figure 16 is a 4# diagram showing the component ratio of 1 iron and chromium after the above chemical area, Figures 17 to 30- are the changes made by this invention. Ki's #! This is a configuration for - treatment device.

JJ... Main shear 51, 11... Support plow body, 1
1...Screw, J4...Naka Yapusukun, JJ...Fufui Wheel, 3! , IP...Support 111#, 1#.
...Nub chassis, 1#...Bearing part, 2o...Belt, 11...Tape, 11...Binterotz, 1
DESCRIPTION OF SYMBOLS 1...Slider, 14...Shaft, I5...Supporting member, I6°1r...11i1 surface part, la...Masking liquid, 1#...Masking jig, 10... Stopper, 11...IIi drying tool, SX...Septuminated water bulk compound bath liquid, 11'...Part layer 111ilFSjJ...
Holder, 311... Insertion hole, [I... Elastic holding member, 14... Jig, SS... # & Kabagadehojindai Kajin Benjoshi Suzue Takehiko 141 Figure @214 (a) (b)Figure 3Figure 4゛8・゛Figure 15゛゛・・Figure 8Figure 9Figure 10Figure 11Figure 12! ! Figure 16 Figure 17 Figure 18 Figure 3-- La

Claims (1)

[Claims] A tape drive body for surface treatment which is formed of an alloy mainly composed of iron, seam and nickel and has a tape drive part and a sliding part with a bearing, and this tape drive body for surface treatment. A plurality of O insertion holes are formed at predetermined intervals in the axial direction so that the insertion holes can be inserted into each one in the axial direction. Tape drive 1l of tape drive body for passing through the exposed surface
A holder comprising a set of IllI elastic holding members that hold the 1111111 in a state protruding from the outlet of the insertion hole, and this holder Tape IIA! Chemically #5 for 111 parts! 4111 A tape drive having a processing packet containing a solution capable of forming a rough surface part of the tape removal drive by mainly dissolving the pre-fixed ingredients by reacting with the acupuncture needle. Body surface treatment device.