JPH05157155A - Pulley for steel belt - Google Patents
Pulley for steel beltInfo
- Publication number
- JPH05157155A JPH05157155A JP31933491A JP31933491A JPH05157155A JP H05157155 A JPH05157155 A JP H05157155A JP 31933491 A JP31933491 A JP 31933491A JP 31933491 A JP31933491 A JP 31933491A JP H05157155 A JPH05157155 A JP H05157155A
- Authority
- JP
- Japan
- Prior art keywords
- pulley
- steel belt
- peripheral surface
- grooves
- rubber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Landscapes
- Pulleys (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明はプーリに関し、特に高精
度送りが要求される印刷機、プリンタ、ロボット等の動
力伝達用に使用するスチールベルト用プーリ（以下、プ
ーリという）に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pulley, and more particularly to a steel belt pulley (hereinafter referred to as a pulley) used for power transmission of a printing machine, a printer, a robot or the like which requires high precision feeding.
【０００２】[0002]
【従来の技術】周知のように、従来から各種駆動装置や
動力伝達装置等にはタイミングベルト等が使用されてい
るが、近年ではＯＡ化、ＦＡ化、精密化、小型化のニー
ズが高まって、スチールベルトが注目されるようになっ
てきている。2. Description of the Related Art As is well known, timing belts and the like have been conventionally used in various drive devices, power transmission devices and the like, but in recent years, there has been an increasing need for OA, FA, precision and miniaturization. , Steel belts are getting a lot of attention.
【０００３】これは、スチールベルトがゴムベルトと比
べて高弾性で伸びが少なく、耐熱性に優れ、しかも極め
てクリーンであるという特性を持っているためである
が、例えスチールベルトの張力を大きくしたとしてもス
チールベルトとプーリとの間の摩擦係数μはＯ．１５〜
０．２０程度であって、ゴムベルトに比較して小さく動
力の伝達に際してスチールベルトがスリップするので、
特に低張力で動力を高精度で伝達する上において解決す
べき課題を持っている。This is because the steel belt has the characteristics of being highly elastic, less stretchable, excellent in heat resistance, and extremely clean, as compared with a rubber belt, but even if the tension of the steel belt is increased. The coefficient of friction μ between the steel belt and the pulley is 0. 15 ~
It is about 0.20, which is smaller than the rubber belt and the steel belt slips when transmitting power,
In particular, it has problems to be solved in transmitting power with low tension and high accuracy.
【０００４】従って、スチールベルトによって動力を高
精度で伝達するためには摩擦係数を大きくする必要があ
るが、それには後述するような方法が提案されている。
例えば、その一つは、プーリの外周面とスチールベルト
のうち、何れか一方にゴムをライニングして摩擦係数を
大きくする方法である。Therefore, in order to transmit the power with high precision by the steel belt, it is necessary to increase the friction coefficient, and a method as described later has been proposed for that.
For example, one of them is a method of increasing the friction coefficient by lining rubber on either one of the outer peripheral surface of the pulley and the steel belt.
【０００５】また、他の一つは特公昭５７−４４８６４
号公報に示されているような溶射プーリで、プーリのス
チールベルト掛装面に酸化クロム、酸化アルミナ、タン
グステン、タングステンカーバイド等の硬い酸化物等を
溶射してプーリの摩擦係数を大きくする方法である。Another one is Japanese Examined Patent Publication No. 57-44864.
With a thermal spraying pulley as disclosed in Japanese Patent Publication No. 1989, a method of increasing the friction coefficient of the pulley by spraying a hard oxide such as chrome oxide, alumina oxide, tungsten, tungsten carbide, etc. on the steel belt mounting surface of the pulley. is there.
【０００６】[0006]
【発明が解決しようとする課題】ところが、ゴムをライ
ニングしたプーリではライニングしたゴムが変形するた
めに精度良く動力を伝達することができないので、例え
ば高精度送りができないという解決すべき課題があり、
またスチールベルトにゴムをライニングするという方法
では、スチールベルトの厚さが、例えば０．０４〜０．
０６ｍｍ程度と薄い場合には、ゴムライニングの厚さを
薄くかつ一定にすることが難しいという技術上の問題が
残されており、やはり動力の高精度伝達に解決すべき課
題がある。However, the pulley lined with rubber cannot transmit power accurately because the lined rubber is deformed, so that there is a problem to be solved, for example, that high-precision feeding cannot be performed.
In the method of lining the steel belt with rubber, the thickness of the steel belt is, for example, 0.04 to 0.
When the thickness is as thin as about 06 mm, there remains a technical problem that it is difficult to make the thickness of the rubber lining thin and constant, and there is also a problem to be solved for highly accurate power transmission.
【０００７】一方、外周面に硬い酸化物等を溶射した溶
射プーリでは、溶射面の粗さに起因してスチールベルト
に傷付が生じ、スチールベルトが早期に破断してしまう
ことがあり、スチールベルトに悪影響を及ぼすといった
解決すべき課題がある。On the other hand, in the case of a sprayed pulley whose outer peripheral surface is sprayed with a hard oxide or the like, the steel belt may be damaged due to the roughness of the sprayed surface and the steel belt may be broken early. There is a problem to be solved such as adversely affecting the belt.
【０００８】従って、本発明の目的とするところは、ス
チールベルトに傷付等の悪影響を与えることなく、動力
を高精度で伝達することを可能ならしめるプーリを提供
するにある。[0008] Therefore, an object of the present invention is to provide a pulley capable of transmitting power with high precision without adversely affecting the steel belt such as damage.
【０００９】[0009]
【課題を解決するための手段】本発明は、上記実情に鑑
みてなされたもので、従って本発明に係るプーリの特徴
とするところは、スチールベルトが掛装されるプーリに
おいて、前記プーリの外周面に複数の凹所を周設し、こ
れら複数の凹所のそれぞれを、少なくとも表面がプーリ
の外周面と面一になるように高摩擦弾性物質により埋め
た構成にしたところにある。SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances. Therefore, a feature of the pulley according to the present invention is that the outer circumference of the pulley is such that a steel belt is hooked on the pulley. A plurality of recesses are provided on the surface, and each of the plurality of recesses is filled with a high friction elastic material so that at least the surface thereof is flush with the outer peripheral surface of the pulley.
【００１０】[0010]
【作用】本発明に係る上記構成になるプーリによれば、
プーリの外周面に周設した複数の凹所のそれぞれを、少
なくとも表面が外周面と面一になるように高摩擦弾性物
質により埋めたので、スチールベルトの張力はプーリの
凹所を除く外周によって受け持たれる一方、スチールベ
ルトとプーリの間の摩擦力は高摩擦弾性物質によって確
保される。According to the pulley having the above structure according to the present invention,
Since each of the plurality of recesses provided around the outer peripheral surface of the pulley is filled with a high friction elastic material so that at least the surface thereof is flush with the outer peripheral surface, the tension of the steel belt depends on the outer periphery excluding the recess of the pulley. Meanwhile, the frictional force between the steel belt and the pulley is ensured by the high friction elastic material.
【００１１】[0011]
【実施例】以下、本発明に係るプーリの実施例を、その
一部断面示構成説明図の図１と、伝達トルクと滑り率の
関係線図の図２とを参照しながら説明すると、図１に示
す符号１は幅方向の両側にクラウン部を有する幅１２ｍ
ｍのＳＵＳ３０３からなるプーリであって、このプーリ
１の周方向には幅方向の中心の幅３ｍｍを隔てた位置に
幅２．５ｍｍの２条の溝２が周設されており、この溝２
のそれぞれは、表面がこのプーリ１の外周面と面一にな
るように、ウレタンゴムになるライニング層３で埋めら
れてなる構成になっている。なお、ウレタンゴム他に
は、例えば天然ゴム、シリコンゴム等各種のゴムをライ
ニング層３として用いることができる。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a pulley according to the present invention will be described below with reference to FIG. 1 which is a partial sectional view showing the construction and FIG. 2 which is a relational diagram of transmission torque and slip ratio. Reference numeral 1 shown in FIG. 1 indicates a width of 12 m having crown portions on both sides in the width direction.
A pulley made of SUS303 having a width of 2.5 mm is circumferentially provided at a position spaced apart by a center width of 3 mm in the width direction from the pulley 1.
Each of these is configured to be filled with a lining layer 3 made of urethane rubber so that the surface thereof is flush with the outer peripheral surface of the pulley 1. In addition to urethane rubber, various rubbers such as natural rubber and silicone rubber can be used as the lining layer 3.
【００１２】そして、直径２５ｍｍの駆動側と、直径５
０ｍｍの従動側の上記構成になるプーリ２つを作成する
一方、ライニング層３のない従来の直径２５ｍｍの駆動
側と、直径５０ｍｍの従動側のプーリを作成して、これ
ら駆動側と従動側のプーリに幅１０ｍｍ、厚さ０．０４
ｍｍ、全周長３４０ｍｍのＳＵＳ３０４になるスチール
ベルト４を同張力を掛けて掛装し、伝達トルクに対する
滑り率をロータリーエンコーダを用いて測定すると共
に、両者の間の相違を調べた。The driving side having a diameter of 25 mm and the diameter of 5 mm
On the other hand, two driven pulleys having the above-mentioned constitution of 0 mm are prepared, while a conventional driving side having a diameter of 25 mm without the lining layer 3 and a driven side pulley having a diameter of 50 mm are prepared, and these driving side and driven side are The pulley has a width of 10 mm and a thickness of 0.04
The steel belt 4 made of SUS304 having a total length of 340 mm and a circumference of 340 mm was applied with the same tension, and the slip ratio with respect to the transmission torque was measured using a rotary encoder, and the difference between the two was investigated.
【００１３】上記測定によって、横軸に伝達トルク（Ｋ
ｇｆ−ｃｍ）を、縦軸に滑り率を採って、従来の場合を
破線で、また本実施例の場合を実線で示す図２のような
結果が得られた。同図によれば、従来のプーリの場合で
は、伝達トルクが０から次第に大きくなるにつれて滑り
率が漸増し、６Ｋｇｆ−ｃｍを超えると滑り率が急激に
大きくなるのに対して、本実施例の場合には伝達トルク
が６Ｋｇｆ−ｃｍまでは滑り率が０であり、６Ｋｇｆ−
ｃｍを超えると伝達トルクの増大に伴って滑り率が漸増
し、１０Ｋｇｆ−ｃｍを超えると滑り率が急激に大きく
なっている。According to the above measurement, the transmission torque (K
gf-cm), the slip ratio is plotted on the vertical axis, and the results are shown in FIG. According to the figure, in the case of the conventional pulley, the slip ratio gradually increases as the transmission torque gradually increases from 0, and when it exceeds 6 Kgf-cm, the slip ratio sharply increases. In this case, the slip ratio is 0 up to the transmission torque of 6 Kgf-cm, and the slip ratio is 6 Kgf-cm.
When it exceeds 10 cm, the slip ratio gradually increases as the transmission torque increases, and when it exceeds 10 Kgf-cm, the slip ratio sharply increases.
【００１４】即ち、従来の場合の最大伝達トルクが６Ｋ
ｇｆ−ｃｍであるのに対し、本実施例の場合には最大伝
達トルクが１０Ｋｇｆ−ｃｍであって、しかも６Ｋｇｆ
−ｃｍまでは滑り率が０であるため、極めて高精度で動
力を伝達することができる。つまり、このことはスチー
ルベルト４の張力がプーリ１の外周面によって受け持た
れ、また摩擦力がライニング層３によって確保されるこ
とを示唆している。That is, the maximum transmission torque in the conventional case is 6K.
In contrast to gf-cm, in the case of this embodiment, the maximum transmission torque is 10 Kgf-cm, and 6 Kgf.
Since the slip ratio is 0 up to −cm, power can be transmitted with extremely high accuracy. That is, this suggests that the tension of the steel belt 4 is carried by the outer peripheral surface of the pulley 1 and the frictional force is secured by the lining layer 3.
【００１５】以上では、溝２の条数が２条の場合を例と
して説明したが、溝２の条数に特に関わりのないもので
ある。例えば、その一部断面示構成説明図の図３に示す
ように、周方向に幅２ｍｍの４条の溝２を所定の間隔で
周設し、これら４条の溝２のそれぞれにウレタンゴムに
なるライニング層３を設けた幅１５ｍｍのプーリ１につ
いても上記と同様の試験を行って略同等の成績を得るこ
とができた。In the above description, the case where the number of grooves 2 is two has been described as an example, but the number of grooves 2 is not particularly concerned. For example, as shown in FIG. 3 which is a partial sectional view showing the structure, four grooves 2 having a width of 2 mm are circumferentially provided at predetermined intervals, and urethane rubber is provided in each of the four grooves 2. The pulley 1 having a width of 15 mm provided with the lining layer 3 was also subjected to the same test as above, and substantially the same results could be obtained.
【００１６】また、本発明に係る実施例では複数条の溝
２を設けたプーリを例として説明したが、特にこのよう
な溝２ではなく、例えばプーリ１の外周面に複数の凹部
を設け、これらの凹部のそれぞれをウレタンゴムになる
ライニング層で埋めても、上記実施例と同等の効果を期
待することができる。なお、以上では幅方向の両側にク
ラウン部を有するプーリを例として説明したが、クラウ
ン部のない通常のプーリに対しても適用し得ることは勿
論である。In the embodiment according to the present invention, the pulley having a plurality of grooves 2 has been described as an example. However, a plurality of recesses are provided on the outer peripheral surface of the pulley 1, for example, instead of such a groove 2. Even if each of these recesses is filled with a lining layer made of urethane rubber, it is possible to expect the same effect as in the above embodiment. In the above description, a pulley having crown portions on both sides in the width direction has been described as an example, but it is needless to say that the present invention can be applied to a normal pulley having no crown portion.
【００１７】[0017]
【発明の効果】以上詳述したように、本発明に係るプー
リによれば、複数状の溝に埋めた高摩擦弾性物質が変形
してもスチールベルトの張力はプーリの溝部を除く外周
で受け持たれ、摩擦力は高摩擦弾性物質によって受け持
たれ、従来のプーリとスチールベルトの何れか一方にゴ
ムライニングを施した場合のように、ゴムライニングの
変形に伴う不具合がなく動力を高精度で伝達することが
でき、またこのプーリの周面は極く通常のプーリと同等
であるから溶射プーリのようにスチールベルトに傷付を
発生させたりすることがないので、動力の伝達精度とス
チールベルトの寿命の向上とに対して極めて多大な効果
がある。As described above in detail, according to the pulley of the present invention, the tension of the steel belt is received on the outer periphery except the groove of the pulley even if the high friction elastic material filled in the plurality of grooves is deformed. The friction force is carried by the high friction elastic material, and there is no problem due to the deformation of the rubber lining like the conventional pulley and steel belt with rubber lining. Since the peripheral surface of this pulley is very similar to that of a normal pulley, it does not cause damage to the steel belt like a sprayed pulley does. Has an extremely great effect on the improvement of the life of the device.
【図１】本発明の実施例に係るプーリの一部断面示構成
説明図である。FIG. 1 is a partial cross-sectional configuration explanatory diagram of a pulley according to an embodiment of the present invention.
【図２】伝達トルクと滑り率の関係線図である。FIG. 2 is a relationship diagram of transmission torque and slip ratio.
【図３】本発明の他の実施例に係るプーリの一部断面示
構成説明図である。FIG. 3 is a partial cross sectional view showing the configuration of a pulley according to another embodiment of the present invention.
１…プーリ ２…溝 ３…ライニング層 ４…スチールベルト 1 ... Pulley 2 ... Groove 3 ... Lining layer 4 ... Steel belt
Claims (1)
ルト用プーリにおいて、前記プーリの外周面に複数の凹
所を周設し、これら複数の凹所のそれぞれを、少なくと
も表面がプーリの外周面と面一になるように高摩擦弾性
物質により埋めたことを特徴とするスチールベルト用プ
ーリ。1. A pulley for a steel belt on which a steel belt is mounted, wherein a plurality of recesses are provided around an outer peripheral surface of the pulley, and each of the plurality of recesses has at least a surface as an outer peripheral surface of the pulley. A pulley for steel belts, which is filled with a high friction elastic material so as to be flush.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31933491A JPH05157155A (en) | 1991-12-03 | 1991-12-03 | Pulley for steel belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31933491A JPH05157155A (en) | 1991-12-03 | 1991-12-03 | Pulley for steel belt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05157155A true JPH05157155A (en) | 1993-06-22 |
Family
ID=18109021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP31933491A Withdrawn JPH05157155A (en) | 1991-12-03 | 1991-12-03 | Pulley for steel belt |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05157155A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0841292A1 (en) * | 1996-11-07 | 1998-05-13 | Otis Elevator Company | Positioning and synchronization system for elevator car doors |
| EP0841285A1 (en) * | 1996-11-07 | 1998-05-13 | Otis Elevator Company | Elevator car door system |
| JP2011107078A (en) * | 2009-11-20 | 2011-06-02 | Ihi Inspection & Instrumentation Co Ltd | Tire testing device |
| JP2014159865A (en) * | 2013-02-21 | 2014-09-04 | Kyocera Document Solutions Inc | Belt drive mechanism, belt drive device, and pulley |
| WO2015076822A1 (en) | 2013-11-22 | 2015-05-28 | Otis Elevator Company | Idler or deflector sheave for elevator system |
-
1991
- 1991-12-03 JP JP31933491A patent/JPH05157155A/en not_active Withdrawn
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0841292A1 (en) * | 1996-11-07 | 1998-05-13 | Otis Elevator Company | Positioning and synchronization system for elevator car doors |
| EP0841285A1 (en) * | 1996-11-07 | 1998-05-13 | Otis Elevator Company | Elevator car door system |
| JP2011107078A (en) * | 2009-11-20 | 2011-06-02 | Ihi Inspection & Instrumentation Co Ltd | Tire testing device |
| JP2014159865A (en) * | 2013-02-21 | 2014-09-04 | Kyocera Document Solutions Inc | Belt drive mechanism, belt drive device, and pulley |
| US9334931B2 (en) | 2013-02-21 | 2016-05-10 | Kyocera Document Solutions Inc. | Belt drive mechanism, belt drive apparatus, and pulley |
| WO2015076822A1 (en) | 2013-11-22 | 2015-05-28 | Otis Elevator Company | Idler or deflector sheave for elevator system |
| CN106414300A (en) * | 2013-11-22 | 2017-02-15 | 奥的斯电梯公司 | Idler or deflector sheave for elevator system |
| EP3071504A4 (en) * | 2013-11-22 | 2017-08-16 | Otis Elevator Company | Idler or deflector sheave for elevator system |
| US10294079B2 (en) | 2013-11-22 | 2019-05-21 | Otis Elevator Company | Idler or deflector sheave for elevator system |
| CN106414300B (en) * | 2013-11-22 | 2021-09-07 | 奥的斯电梯公司 | Idle or deflector sheave for elevator systems |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 19990311 |