ITNA20100041A1 - RACK OF MODULAR SEGMENTS IN PLASTIC MATERIAL - Google Patents
RACK OF MODULAR SEGMENTS IN PLASTIC MATERIAL Download PDFInfo
- Publication number
- ITNA20100041A1 ITNA20100041A1 IT000041A ITNA20100041A ITNA20100041A1 IT NA20100041 A1 ITNA20100041 A1 IT NA20100041A1 IT 000041 A IT000041 A IT 000041A IT NA20100041 A ITNA20100041 A IT NA20100041A IT NA20100041 A1 ITNA20100041 A1 IT NA20100041A1
- Authority
- IT
- Italy
- Prior art keywords
- rack
- rev
- made according
- rack made
- plastic material
- Prior art date
Links
- 239000000463 material Substances 0.000 title claims description 10
- 239000004033 plastic Substances 0.000 title claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 4
- 239000003365 glass fiber Substances 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 claims description 3
- 239000000806 elastomer Substances 0.000 claims description 2
- 229920001971 elastomer Polymers 0.000 claims description 2
- 239000000835 fiber Substances 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims description 2
- 125000006850 spacer group Chemical group 0.000 claims description 2
- 238000001746 injection moulding Methods 0.000 claims 1
- 230000002787 reinforcement Effects 0.000 claims 1
- 238000005461 lubrication Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 208000008312 Tooth Loss Diseases 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/26—Racks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/06—Use of materials; Use of treatments of toothed members or worms to affect their intrinsic material properties
Description
DESCRIZIONE dell’invenzione avente per TITOLO: “Cremagliera a segmenti modulari in materiale plastico” DESCRIPTION of the invention with TITLE: "Rack with modular segments in plastic material"
La presente invenzione riguarda una cremagliera dentata di uso meccanico, realizzata interamente in materiale polimerico, in particolare una mescola di nylon, fibra di vetro ed elastomero. The present invention relates to a toothed rack for mechanical use, made entirely of polymeric material, in particular a mixture of nylon, glass fiber and elastomer.
Attualmente le cremagliere sono realizzate completamente o in parte con materiali metallici al fine di assicurare la giusta resistenza, quando sottoposta a lavoro meccanico. Currently the racks are made entirely or in part with metallic materials in order to ensure the right resistance, when subjected to mechanical work.
L’utilizzo di materiali metallici comporta una serie di problemi legati all’ ossidabilità, la necessità di lubrificazione e l’isolamento elettrico. The use of metallic materials involves a number of problems related to oxidation, the need for lubrication and electrical insulation.
Uno dei problemi più comuni delle cremagliere dentate è la perdita dei denti, in particolare quelli che subiscono il lavoro con l’avvio del motore. One of the most common problems of toothed racks is the loss of teeth, especially those that undergo work when the engine is started.
_ Sulla necessità di ovviare a questa serie di problematiche, si è sviluppata una cremagliera interamente di materiale plastico. _ Based on the need to overcome this series of problems, a rack made entirely of plastic material has been developed.
Con la presente invenzione si è sviluppato il progetto di una cremagliera dentata di materiale composito, With the present invention, the design of a toothed rack made of composite material has been developed,
che sottoposto a particolari processi di lavorazione rende il materiale resistente ed elastico quando sottoposto a lavoro meccanico. _ which subjected to particular manufacturing processes makes the material resistant and elastic when subjected to mechanical work. _
La suddeta mescola viene utilizzata per produrre moduli stampati di cremagliera. I singoli moduli di 50 cm sono assemblati atraverso un semplice meccanismo ad incastro maschio - femmina per otenere le diverse lunghezze a seconda degli usi. The above compound is used to produce molded rack modules. The single modules of 50 cm are assembled through a simple male - female interlocking mechanism to obtain the different lengths according to the uses.
L’uso di questo prodoto trova larga applicazione negli ambienti definiti critici come quelli marini o con temperature estreme. The use of this product is widely used in environments defined as critical such as marine ones or with extreme temperatures.
I vantaggi apportati dalla realizzazione della seguente invenzione sono: La cremagliera cosi prodotta non può subire fenomeni di ossidazione; inoltre è completamente isolata dal punto di vista eletrico. The advantages brought about by the realization of the following invention are: The rack thus produced cannot undergo oxidation phenomena; moreover it is completely isolated from the electrical point of view.
Struturalmente è molto resistente ma risulta elastica e flessibile da ammortizzare il lavoro meccanico, questo si traduce in una notevole resistenza dei denti. Structurally it is very resistant but it is elastic and flexible to amortize the mechanical work, this translates into a considerable resistance of the teeth.
Non avendo parti metalliche conserva dimensioni stabili se sottoposta a drastiche variazioni di temperatura, è molto leggera e non necessita di lubrificazione. Having no metal parts, it retains stable dimensions when subjected to drastic changes in temperature, it is very light and does not require lubrication.
L’utilizzo di materiale plastico garantisce silenziosità nell’accoppiamento pignone-cremagliera. The use of plastic material guarantees silence in the rack-pinion coupling.
In particolare ogni modulo della cremagliera dentata viene prodota per stampaggio, e le singole parti del modulo, barra retangolare, denti e boccole distanziali sono concepite e prodote come corpo unico, quindi, non sono sottoposti a processi di assemblaggio. In particular, each module of the toothed rack is produced by molding, and the individual parts of the module, rectangular bar, teeth and spacer bushings are designed and produced as a single body, therefore, they are not subjected to assembly processes.
Il processo di lavorazione ato a produrre l’oggeto in questione consta di due fasi principali. The manufacturing process used to produce the object in question consists of two main phases.
La prima punta all’organizzazione strutturale interna del modulo, in particolare, sviluppa un architetura ordinata e omogenea delle fibre in tutto il volume, evitando cosi punti di fragilità. Questa è garantita dalla modalità di iniezione nello stampo, effetuata in modo da imporre direzionalità alle fibre di vetro. The first focuses on the internal structural organization of the module, in particular, develops an orderly and homogeneous architecture of the fibers throughout the volume, thus avoiding points of fragility. This is guaranteed by the injection method in the mold, carried out in such a way as to impose directionality on the glass fibers.
La seconda fase invece è finalizzata a rendere il materiale resistente e flessibile tale da sopportare il lavoro meccanico. -Come è riportato in figura 1, la strutura dei moduli è stata ulteriormente rinforzata dalle nervature riportate su entrambi i lati, che in particolar modo ammortizzano il carico in trazione e compressione. The second phase, on the other hand, is aimed at making the material resistant and flexible to withstand mechanical work. -As shown in figure 1, the structure of the modules has been further reinforced by the ribs on both sides, which in particular cushion the load in traction and compression.
In fig. 2 è messo in evidenza il meccanismo di incastro maschio- femmina utilizzato per assemblare la cremagliera. In fig. 2 highlights the male-female interlocking mechanism used to assemble the rack.
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT000041A ITNA20100041A1 (en) | 2010-09-16 | 2010-09-16 | RACK OF MODULAR SEGMENTS IN PLASTIC MATERIAL |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT000041A ITNA20100041A1 (en) | 2010-09-16 | 2010-09-16 | RACK OF MODULAR SEGMENTS IN PLASTIC MATERIAL |
Publications (1)
Publication Number | Publication Date |
---|---|
ITNA20100041A1 true ITNA20100041A1 (en) | 2012-03-17 |
Family
ID=43739016
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT000041A ITNA20100041A1 (en) | 2010-09-16 | 2010-09-16 | RACK OF MODULAR SEGMENTS IN PLASTIC MATERIAL |
Country Status (1)
Country | Link |
---|---|
IT (1) | ITNA20100041A1 (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1958615A1 (en) * | 1969-11-21 | 1971-06-03 | Francisco Tormo Sanz | Rack made of non-metallic material |
DE8911718U1 (en) * | 1988-10-04 | 1989-11-16 | Officina Stagnoli Di Stagnoli Laurina, Desenzano, Brescia, It | |
EP0558973A1 (en) * | 1992-03-02 | 1993-09-08 | Marantec Antriebs- Und Steuerungstechnik Gmbh & Co., Produktions Kg | Sliding gate |
EP0631031A2 (en) * | 1993-06-25 | 1994-12-28 | Marantec Antriebs- Und Steuerungstechnik Gmbh & Co., Produktions Kg | Sliding gate |
EP1048813A1 (en) * | 1999-04-30 | 2000-11-02 | NICE SpA | Rack for electromechanical operating systems of doors and the like |
-
2010
- 2010-09-16 IT IT000041A patent/ITNA20100041A1/en unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1958615A1 (en) * | 1969-11-21 | 1971-06-03 | Francisco Tormo Sanz | Rack made of non-metallic material |
DE8911718U1 (en) * | 1988-10-04 | 1989-11-16 | Officina Stagnoli Di Stagnoli Laurina, Desenzano, Brescia, It | |
EP0558973A1 (en) * | 1992-03-02 | 1993-09-08 | Marantec Antriebs- Und Steuerungstechnik Gmbh & Co., Produktions Kg | Sliding gate |
EP0631031A2 (en) * | 1993-06-25 | 1994-12-28 | Marantec Antriebs- Und Steuerungstechnik Gmbh & Co., Produktions Kg | Sliding gate |
EP1048813A1 (en) * | 1999-04-30 | 2000-11-02 | NICE SpA | Rack for electromechanical operating systems of doors and the like |
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