US20170368665A1 - Mask for use with particle impact processes and methods of use thereof - Google Patents
Mask for use with particle impact processes and methods of use thereof Download PDFInfo
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- US20170368665A1 US20170368665A1 US15/189,838 US201615189838A US2017368665A1 US 20170368665 A1 US20170368665 A1 US 20170368665A1 US 201615189838 A US201615189838 A US 201615189838A US 2017368665 A1 US2017368665 A1 US 2017368665A1
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- United States
- Prior art keywords
- gear
- mask
- protective mask
- protective
- ring portion
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C3/00—Abrasive blasting machines or devices; Plants
- B24C3/32—Abrasive blasting machines or devices; Plants designed for abrasive blasting of particular work, e.g. the internal surfaces of cylinder blocks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D31/00—Other methods for working sheet metal, metal tubes, metal profiles
- B21D31/06—Deforming sheet metal, tubes or profiles by sequential impacts, e.g. hammering, beating, peen forming
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C5/00—Devices or accessories for generating abrasive blasts
Definitions
- aspects of the disclosure relate generally to the field of vehicle parts and manufacture, and particularly to a mask for use with particle impact processes applied to gears and gear teeth, and methods of use thereof.
- aspects of the present disclosure relate generally to the field of vehicle parts and manufacture, and particularly to a mask for use with a particle impacting process, such as a shot peen process, for spiral and other gears, and methods of use thereof.
- gears may, for example, be used in differentials, transfer units, or drive shafts (e.g., 4wd applications) for vehicles, as well as other applications, such as in power take off (PTO) applications.
- Such vehicles may include, for example, 2-door/4-door passenger cars (two seat, four seat, etc), pickup trucks, vans, aircraft, multipurpose utility vehicles (MUV), or side-by-side all-terrain vehicles, and the like.
- Suitable shot may include, for example, spherical steel shot, ceramic shot, glass shot, or shot of other material, with each shot having a diameter, for example, of between about 0.1 mm and 1 mm.
- suitable shot may have a 0.8 mm diameter or a 0.15 mm diameter.
- the gear tooth edges when hit by the hard shot media, may deform and cause a positive material (also interchangeably referred to herein as a “bulge” condition) along the tooth edge.
- a positive material also interchangeably referred to herein as a “bulge” condition
- bulges may result in an unsmooth running condition of gears, creating noise and vibration within the gear system.
- a cover also interchangeably referred to herein as a “mask” that protects the edges of the gear teeth during application of the shot peen or other similar process, such as sand or glass bead blasting (such processes interchangeably referred to herein as “particle impacting processes”), without preventing the particle impacting process from effectuating advantageous hardening and other results for areas that are not protected by the mask.
- the cover may be removable and reusable.
- application of the mask may prevent a bulge condition on the tooth tips and/or edges that may otherwise result from the particle impacting process.
- a post shot peen process used in the related art for removing resulting bulges may be eliminated.
- a protective mask for use for example, for shot peening a gear
- the protective mask may be usable with a generally partial conical overall shaped gear (e.g., a spiral bevel gear), and the protective mask for such use, for example, may likewise have a generally partial overall conical shape corresponding thereto, with first and second end ring shaped portions being located at the mask ends, a first, smaller end ring portion being closed and a second, larger end ring portion being open for receiving the gear within the mask. Between the end portions may be complexly shaped protective vanes, shaped so as to follow the shape of edges of the gear teeth.
- FIG. 1 shows an example spiral bevel gear for use in accordance with aspects of the present invention.
- FIG. 2 shows a perspective of an example mask in accordance with aspects of the present disclosure.
- FIG. 3 shows an end view of the example mask of FIG. 2 , viewed from a first end.
- FIG. 4 shows an end view of the example mask of FIG. 2 , viewed from a second end.
- FIG. 5 shows a representative cross-sectional view of the example mask of FIG. 2 .
- FIG. 6 shows a perspective view of the example mask of FIG. 2 secured to the gear of FIG. 1 .
- FIG. 7 shows a perspective view of another example mask in accordance with aspects of the present disclosure.
- aspects of the present disclosure relate to a mask that protects the edges of the gear teeth of a gear during a particle impacting process, such as a shot peen or other similar process (e.g., sand or glass bead blasting), without preventing the particle impacting process from effectuating advantageous hardening and other results for areas that are not protected by the mask.
- the cover may be removable and reusable.
- application of the mask may prevent a bulge condition on the tooth tips or edges that may otherwise result from the particle impacting process.
- a post shot peen process used in the related art for removing resulting bulges may be eliminated.
- the gear 100 includes a shaft portion 105 having a first end 105 a and a second end 105 b , and a gear head portion 110 having a first end 110 a and a second end 110 b .
- the shaft portion 105 is attached at its second end 105 b to the first end portion 110 a of the gear head portion 110 .
- the gear 100 further includes a recess 115 or other feature usable for temporarily securing a mask to the gear 100 .
- the gear head portion 110 further includes a plurality of gear teeth 112 , each of the gear teeth 112 having an edge portion 112 a.
- FIG. 2 shows a perspective view of an example mask 200 in accordance with aspects of the present disclosure.
- the mask 200 includes a first circular cross-sectional open end portion 205 (also interchangeably referred to herein as an “open ring portion”) located at a first end 200 a of the mask 200 , and a second circular cross-sectionally shaped closed end portion 210 (also interchangeably referred to as a “closed ring portion”), located at a second end 200 b of the mask 200 .
- a plurality of vanes 215 are each connected at their first and second ends 215 a , 215 b to the open ring portion 205 and the closed ring portion 210 , respectively.
- each of the vanes 215 may be approximately the same width (e.g., +/ ⁇ 10%) as the width of each the gear teeth (teeth 112 , FIG. 1 ).
- the edges of each of the vanes 215 may be beveled, such that the width of each of the vanes 215 is narrower on the side each vane opposite the side facing the teeth (teeth 112 , FIG. 6 ), thereby enabling the impacting particles to more easily pass thereby and to therefore impact the gear surface that is not masked.
- FIG. 3 shows an end view of the example mask 200 of FIG. 2 , viewed from the direction of end 200 b ( FIG. 2 ).
- FIG. 4 shows an end view of the example mask 200 of FIG. 2 , viewed from the direction of end 205 a ( FIG. 2 ).
- the interior facing side of closed end portion 210 includes a securing feature 220 , such as an extension sized for being received within recess 115 of the gear 100 of FIG. 1 .
- FIG. 5 shows a representative cross-sectional view of the example mask 200 of FIG. 2 , including a cross-sectional view of the securing feature 220 , such as an extension sized for being received within recess 115 of the gear 100 of FIG. 1 (e.g., by a slight interference fit).
- FIG. 6 shows a perspective view of the example mask 200 of FIG. 2 secured to the gear 100 of FIG. 1 .
- the mask 200 is secured via the securing feature on the interior surface of closed end portion 210 to the recess in the head 110 of gear 100 .
- the mask 200 is positioned such that each of the vanes 215 covers the edge of one of the plurality of gear teeth 112 .
- the protective mask 200 may thereby be used, for example, during a particle impacting process, such as a shot peen process, to protect the edges of gear teeth in a gear 100 , in accordance with aspects of the present disclosure.
- the mask 200 may comprise any suitable material to withstand the particle impacting process and not be unsuitably deformed or worn thereby (e.g., the mask 200 may be of a material allowing reuse a suitable number of times without deformation or wear rendering it unfit for such use).
- Such material may comprise, for example, steel (e.g., stainless steel), carbon material, or titanium.
- the mask 200 has a generally partial conical overall shape so as to match the corresponding generally partial conical overall shape of the gear head 110 of the gear 100 (e.g., a spiral bevel gear).
- the mask may be appropriately shaped for use with gears of other shapes.
- the mask may have an overall cylindrical shape for being received on a gear head having an overall cylindrical shape (e.g., a non-beveled gear head).
- the mask 200 shown in FIGS. 1-6 is shown as being secured to the gear 100 via the securing feature 220 received within the recess 115 , the mask 200 may also be secured to the gear 100 via other features (e.g., one or more extensions inwardly extending from the open ring portion 205 so as to be retained beneath the edge of one or more of the gear teeth 112 at end 110 a ( FIG. 1 ) of the teeth).
- other features e.g., one or more extensions inwardly extending from the open ring portion 205 so as to be retained beneath the edge of one or more of the gear teeth 112 at end 110 a ( FIG. 1 ) of the teeth.
- FIG. 7 shows a perspective view of another example mask 300 in accordance with aspects of the present disclosure that is similar to the mask 200 of FIG. 2 , but that does not include a ring portion on the open end.
- the mask 300 of FIG. 7 includes an open end portion at first end 305 a of the mask 300 , but the open end portion does not include a ring portion.
- the mask further includes a circular cross-sectional closed end portion 310 , located at a second end 305 b of the mask 300 .
- a plurality of vanes 315 are each connected at one end 315 a to the closed end portion 310 and extend therefrom.
- the gear For operation of the particle impacting process on the gear, the gear may be secured (e.g., via the gear shaft), such as within a closeable machine for use in the particle impacting process.
- the machine may be partially or fully automated in operation.
- the mask may be attached to the gear via one or more positioning mechanisms and alignment features on the machine for use in manufacturing.
- the mask may include an alignment mark thereon, and the gear may have a corresponding alignment or feature.
- the mask may then be aligned relative to the gear and the mask then secured to the gear (e.g., via impacting the mask, such as by a blunt instrument, so as to drive the securing feature on the mask into the recess in the gear head), thereby securing the mask to the gear in the proper position so as to align the mask vanes with the gear teeth edges.
- the particle impacting process may then be applied, and upon completion, the mask may be removed (e.g., by prying or impacting the mask, such as by a blunt instrument, in a direction to remove it from the gear).
- the gear may then be removed from the machine or other securing mechanism.
- example is used herein to mean “serving as an example, instance, or illustration.” Any aspect described herein as “example” is not necessarily to be construed as preferred or advantageous over other aspects. Unless specifically stated otherwise, the term “some” refers to one or more.
- Combinations such as “at least one of A, B, or C,” “at least one of A, B, and C,” and “A, B, C, or any combination thereof” include any combination of A, B, and/or C, and may include multiples of A, multiples of B, or multiples of C.
- combinations such as “at least one of A, B, or C,” “at least one of A, B, and C,” and “A, B, C, or any combination thereof” may be A only, B only, C only, A and B, A and C, B and C, or A and B and C, where any such combinations may contain one or more member or members of A, B, or C.
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Abstract
A mask that protects the edges of the gear teeth of a gear during a particle impacting process, such as a shot peen or other similar process, without preventing the particle impacting process from effectuating advantageous hardening and other results for areas that are not protected by the mask. The cover may be removable and reusable. The mask may include a closed end and an open end, with a plurality of protective vanes extending between the two ends. The gear may be received within the mask and aligned and secured such that the vanes cover the gear teeth edges, thereby protecting the edges from the particle impact process, without preventing the particle impacting process with regard to other portions of the gear teeth.
Description
- Aspects of the disclosure relate generally to the field of vehicle parts and manufacture, and particularly to a mask for use with particle impact processes applied to gears and gear teeth, and methods of use thereof.
- It is known in the related art to mask or otherwise protect surfaces to which a particle impact process, such as a shot peen process, is to be applied. Such masking may be time consuming and/or challenging to apply, especially when masking complicated shapes and/or many separate surfaces. In the related art for applying a shot peen process to gear teeth, it is known to radius tooth tips/edges prior to the shot peen process being carried out, so as to prevent bulge in the tooth tips and/or to chamfer the gear teeth after the shot peen process is completed.
- There remains an unmet need in the art for masking gear teeth edges when applying a shot peen process.
- Aspects of the present disclosure relate generally to the field of vehicle parts and manufacture, and particularly to a mask for use with a particle impacting process, such as a shot peen process, for spiral and other gears, and methods of use thereof. Such gears may, for example, be used in differentials, transfer units, or drive shafts (e.g., 4wd applications) for vehicles, as well as other applications, such as in power take off (PTO) applications. Such vehicles may include, for example, 2-door/4-door passenger cars (two seat, four seat, etc), pickup trucks, vans, aircraft, multipurpose utility vehicles (MUV), or side-by-side all-terrain vehicles, and the like. The shot peen process may be used, for example, in hardening surfaces of such parts and preventing cracks and other imperfections and/or damage. Suitable shot may include, for example, spherical steel shot, ceramic shot, glass shot, or shot of other material, with each shot having a diameter, for example, of between about 0.1 mm and 1 mm. For example, suitable shot may have a 0.8 mm diameter or a 0.15 mm diameter.
- During the manufacturing process of hard shot peening gears, for example, it is known that the gear tooth edges, when hit by the hard shot media, may deform and cause a positive material (also interchangeably referred to herein as a “bulge” condition) along the tooth edge. Among other problems, such bulges may result in an unsmooth running condition of gears, creating noise and vibration within the gear system.
- Aspects of the present disclosure relate to a cover (also interchangeably referred to herein as a “mask”) that protects the edges of the gear teeth during application of the shot peen or other similar process, such as sand or glass bead blasting (such processes interchangeably referred to herein as “particle impacting processes”), without preventing the particle impacting process from effectuating advantageous hardening and other results for areas that are not protected by the mask. The cover may be removable and reusable. Among other advantages, application of the mask may prevent a bulge condition on the tooth tips and/or edges that may otherwise result from the particle impacting process. Among yet other advantages, by protecting the gear tooth tips, a post shot peen process used in the related art for removing resulting bulges may be eliminated.
- In one example implementation, a protective mask for use, for example, for shot peening a gear, in accordance with aspects of the present disclosure, may have a shape designed for receiving and covering the gear teeth on a gear head, with first and second end ring shaped portions being located at the mask ends, a first end ring portion being closed and a second ring portion being open for receiving the gear head. Between the end portions may be protective vanes, the protective vanes being positionable so as to follow the shape of edges of the gear teeth.
- In some example implementations, for example, the protective mask may be usable with a generally partial conical overall shaped gear (e.g., a spiral bevel gear), and the protective mask for such use, for example, may likewise have a generally partial overall conical shape corresponding thereto, with first and second end ring shaped portions being located at the mask ends, a first, smaller end ring portion being closed and a second, larger end ring portion being open for receiving the gear within the mask. Between the end portions may be complexly shaped protective vanes, shaped so as to follow the shape of edges of the gear teeth.
- Additional advantages and novel features of these aspects will be set forth in part in the description that follows, and in part will become more apparent to those skilled in the art upon examination of the following or upon learning by practice of the disclosure.
- The accompanying drawings, which are incorporated into and constitute a part of this specification, illustrate one or more example aspects of the present disclosure and, together with the detailed description, serve to explain their principles and implementations.
-
FIG. 1 shows an example spiral bevel gear for use in accordance with aspects of the present invention. -
FIG. 2 shows a perspective of an example mask in accordance with aspects of the present disclosure. -
FIG. 3 shows an end view of the example mask ofFIG. 2 , viewed from a first end. -
FIG. 4 shows an end view of the example mask ofFIG. 2 , viewed from a second end. -
FIG. 5 shows a representative cross-sectional view of the example mask ofFIG. 2 . -
FIG. 6 shows a perspective view of the example mask ofFIG. 2 secured to the gear ofFIG. 1 . -
FIG. 7 shows a perspective view of another example mask in accordance with aspects of the present disclosure. - The detailed description set forth below in connection with the appended drawings is intended as a description of various configurations and is not intended to represent the only configurations in which the concepts described herein may be practiced. The detailed description includes specific details for the purpose of providing a thorough understanding of various concepts. However, it will be apparent to those skilled in the art that these concepts may be practiced without these specific details. In some instances, well known structures and components are shown in block diagram form in order to avoid obscuring such concepts.
- Aspects of the present disclosure relate to a mask that protects the edges of the gear teeth of a gear during a particle impacting process, such as a shot peen or other similar process (e.g., sand or glass bead blasting), without preventing the particle impacting process from effectuating advantageous hardening and other results for areas that are not protected by the mask. The cover may be removable and reusable. Among other advantages, application of the mask may prevent a bulge condition on the tooth tips or edges that may otherwise result from the particle impacting process. Among yet other advantages, by protecting the gear tooth tips, a post shot peen process used in the related art for removing resulting bulges may be eliminated.
- An example gear, for which a mask in accordance with aspects of the present invention may be used, is shown in
FIG. 1 . As shown inFIG. 1 , thegear 100 includes ashaft portion 105 having afirst end 105 a and asecond end 105 b, and agear head portion 110 having afirst end 110 a and asecond end 110 b. Theshaft portion 105 is attached at itssecond end 105 b to thefirst end portion 110 a of thegear head portion 110. Thegear 100 further includes arecess 115 or other feature usable for temporarily securing a mask to thegear 100. Thegear head portion 110 further includes a plurality ofgear teeth 112, each of thegear teeth 112 having anedge portion 112 a. -
FIG. 2 shows a perspective view of anexample mask 200 in accordance with aspects of the present disclosure. Themask 200 includes a first circular cross-sectional open end portion 205 (also interchangeably referred to herein as an “open ring portion”) located at afirst end 200 a of themask 200, and a second circular cross-sectionally shaped closed end portion 210 (also interchangeably referred to as a “closed ring portion”), located at asecond end 200 b of themask 200. A plurality ofvanes 215 are each connected at their first andsecond ends open ring portion 205 and the closedring portion 210, respectively. In one variation, each of thevanes 215 may be approximately the same width (e.g., +/−10%) as the width of each the gear teeth (teeth 112,FIG. 1 ). In another variation, the edges of each of thevanes 215 may be beveled, such that the width of each of thevanes 215 is narrower on the side each vane opposite the side facing the teeth (teeth 112,FIG. 6 ), thereby enabling the impacting particles to more easily pass thereby and to therefore impact the gear surface that is not masked. -
FIG. 3 shows an end view of theexample mask 200 ofFIG. 2 , viewed from the direction ofend 200 b (FIG. 2 ). -
FIG. 4 shows an end view of theexample mask 200 ofFIG. 2 , viewed from the direction of end 205 a (FIG. 2 ). As shown inFIG. 4 , the interior facing side of closedend portion 210 includes asecuring feature 220, such as an extension sized for being received withinrecess 115 of thegear 100 ofFIG. 1 . -
FIG. 5 shows a representative cross-sectional view of theexample mask 200 ofFIG. 2 , including a cross-sectional view of thesecuring feature 220, such as an extension sized for being received withinrecess 115 of thegear 100 ofFIG. 1 (e.g., by a slight interference fit). -
FIG. 6 shows a perspective view of theexample mask 200 ofFIG. 2 secured to thegear 100 ofFIG. 1 . InFIG. 6 , themask 200 is secured via the securing feature on the interior surface of closedend portion 210 to the recess in thehead 110 ofgear 100. Themask 200 is positioned such that each of thevanes 215 covers the edge of one of the plurality ofgear teeth 112. - In the example implementation of
FIGS. 1-6 , theprotective mask 200 may thereby be used, for example, during a particle impacting process, such as a shot peen process, to protect the edges of gear teeth in agear 100, in accordance with aspects of the present disclosure. - The
mask 200 may comprise any suitable material to withstand the particle impacting process and not be unsuitably deformed or worn thereby (e.g., themask 200 may be of a material allowing reuse a suitable number of times without deformation or wear rendering it unfit for such use). Such material may comprise, for example, steel (e.g., stainless steel), carbon material, or titanium. - In the example implementation of
FIGS. 1-6 , themask 200 has a generally partial conical overall shape so as to match the corresponding generally partial conical overall shape of thegear head 110 of the gear 100 (e.g., a spiral bevel gear). However, the mask may be appropriately shaped for use with gears of other shapes. For example, the mask may have an overall cylindrical shape for being received on a gear head having an overall cylindrical shape (e.g., a non-beveled gear head). - Although the
mask 200 shown inFIGS. 1-6 is shown as being secured to thegear 100 via the securingfeature 220 received within therecess 115, themask 200 may also be secured to thegear 100 via other features (e.g., one or more extensions inwardly extending from theopen ring portion 205 so as to be retained beneath the edge of one or more of thegear teeth 112 atend 110 a (FIG. 1 ) of the teeth). -
FIG. 7 shows a perspective view of anotherexample mask 300 in accordance with aspects of the present disclosure that is similar to themask 200 ofFIG. 2 , but that does not include a ring portion on the open end. Themask 300 ofFIG. 7 includes an open end portion atfirst end 305 a of themask 300, but the open end portion does not include a ring portion. The mask further includes a circular cross-sectionalclosed end portion 310, located at asecond end 305 b of themask 300. A plurality ofvanes 315 are each connected at oneend 315 a to theclosed end portion 310 and extend therefrom. - For operation of the particle impacting process on the gear, the gear may be secured (e.g., via the gear shaft), such as within a closeable machine for use in the particle impacting process. The machine may be partially or fully automated in operation. The mask may be attached to the gear via one or more positioning mechanisms and alignment features on the machine for use in manufacturing. For example, the mask may include an alignment mark thereon, and the gear may have a corresponding alignment or feature. The mask may then be aligned relative to the gear and the mask then secured to the gear (e.g., via impacting the mask, such as by a blunt instrument, so as to drive the securing feature on the mask into the recess in the gear head), thereby securing the mask to the gear in the proper position so as to align the mask vanes with the gear teeth edges.
- The particle impacting process may then be applied, and upon completion, the mask may be removed (e.g., by prying or impacting the mask, such as by a blunt instrument, in a direction to remove it from the gear). The gear may then be removed from the machine or other securing mechanism.
- While the aspects described herein have been described in conjunction with the example aspects outlined above, various alternatives, modifications, variations, improvements, and/or substantial equivalents, whether known or that are or may be presently unforeseen, may become apparent to those having at least ordinary skill in the art. Accordingly, the example aspects, as set forth above, are intended to be illustrative, not limiting. Various changes may be made without departing from the spirit and scope of the disclosure. Therefore, the disclosure is intended to embrace all known or later-developed alternatives, modifications, variations, improvements, and/or substantial equivalents.
- Thus, the claims are not intended to be limited to the aspects shown herein, but are to be accorded the full scope consistent with the language of the claims, wherein reference to an element in the singular is not intended to mean “one and only one” unless specifically so stated, but rather “one or more.” All structural and functional equivalents to the elements of the various aspects described throughout this disclosure that are known or later come to be known to those of ordinary skill in the art are expressly incorporated herein by reference and are intended to be encompassed by the claims. Moreover, nothing disclosed herein is intended to be dedicated to the public regardless of whether such disclosure is explicitly recited in the claims. No claim element is to be construed as a means plus function unless the element is expressly recited using the phrase “means for.”
- It is understood that the specific order or hierarchy of the processes/flowcharts disclosed is an illustration of example approaches. Based upon design preferences, it is understood that the specific order or hierarchy in the processes/flowcharts may be rearranged. Further, some features/steps may be combined or omitted. The accompanying method claims present elements of the various features/steps in a sample order, and are not meant to be limited to the specific order or hierarchy presented.
- Further, the word “example” is used herein to mean “serving as an example, instance, or illustration.” Any aspect described herein as “example” is not necessarily to be construed as preferred or advantageous over other aspects. Unless specifically stated otherwise, the term “some” refers to one or more. Combinations such as “at least one of A, B, or C,” “at least one of A, B, and C,” and “A, B, C, or any combination thereof” include any combination of A, B, and/or C, and may include multiples of A, multiples of B, or multiples of C. Specifically, combinations such as “at least one of A, B, or C,” “at least one of A, B, and C,” and “A, B, C, or any combination thereof” may be A only, B only, C only, A and B, A and C, B and C, or A and B and C, where any such combinations may contain one or more member or members of A, B, or C. Nothing disclosed herein is intended to be dedicated to the public regardless of whether such disclosure is explicitly recited in the claims.
Claims (15)
1. A protective mask for use with a gear during a particle impacting process, the gear having a shaft and a gear head, the gear head being attached at a gear head first end to the shaft, the gear head having a plurality of teeth circumferentially located thereabout between the first end and the second end, the protective mask comprising, a first ring portion at a first end of the protective mask having an inner circumference sized to circumferentially surround the gear head proximal to the gear head first end;
a plurality of protective vanes, each of the plurality of protective vanes being attached at a first vane end to the first open ring portion;
a second ring portion located at a second end of the protective mask, the second closed ring portion being attached to a second end of each of the plurality of protective vanes; and
a securing feature for securably retaining the mask to the beveled gear.
2. The protective mask of claim 1 , wherein each of the plurality of teeth has a tooth edge, and wherein each of the plurality of vanes aligns with one edge of one of the plurality of teeth.
3. The protective mask of claim 1 , wherein the second closed ring portion has a closed surface first side and a closed surface second side, the closed surface first side facing the first end of the protective mask; and wherein the securing feature includes an extension extending from the closed surface first side of the closed ring portion.
4. The protective mask of claim 3 , wherein the gear head has a recess located at a gear head second end, the gear head second end being opposite the gear head first end, and wherein the extension is sized and shaped to be receivable in the recess located at the gear head second end.
5. The protective mask of claim 4 , wherein the extension is receivable in the recess via an interference fit.
6. The protective mask of claim 2 , wherein the plurality of teeth have tooth edges following a spiral pattern, and wherein the plurality of protective vanes are shaped so as to follow the spiral pattern of the tooth edges.
7. The protective mask of claim 1 , wherein the gear is a spiral bevel gear.
8. The protective mask of claim 1 , wherein the particle impacting process is a shot peen process.
9. The protective mask of claim 8 , wherein shot used in the shot peen process is spherically shaped and has a diameter of about 0.1 mm to 1 mm.
10. The protective mask of claim 1 , wherein the protective mask has a partial conical overall shape.
11. The protective mask of claim 1 , wherein the protective mask has a conical overall shape.
12. The protective mask of claim 1 , wherein the protective mask comprises a material selected from a group consisting of steel, stainless steel, carbon material, and titanium.
13. The protective mask of claim 1 , wherein each of the plurality of vanes has beveled edges, such that each of the plurality of vanes has a narrowing diameter in a direction opposite the received
14. A protective mask for a beveled gear, the beveled gear having a shaft and a gear head, the gear head being attached at a first end to the shaft and having a recess at a second end, the gear head further having a plurality of beveled teeth circumferentially located thereabout between the first end and the second end, each of the plurality of beveled teeth having a tooth edge, the protective mask comprising,
a first ring portion sized to circumferentially surround the gear head at the first end;
a plurality of protective vanes, each of the plurality of protective vanes being attached at a first vane end to the ring portion, wherein each of the plurality of vanes is shaped and sized to follow the shape of one of the plurality of beveled teeth along the tooth edge;
a second ring portion having a second ring open end and a second ring closed end, the second ring portion being attached spaceably about the second ring open end to a second end of each of the plurality of protective vanes, the second ring portion closed end having a surface with a first side and a second side, the first side of the surface facing the open end of the second ring portion; and
an extension extending from the first side of the surface of the closed end of the second ring, the extension having a size and shape to be received in the recess of the gear head.
15. A protective mask for use with a gear during a particle impacting process, the gear having a shaft and a gear head, the gear head being attached at a gear head first end to the shaft, the gear head having a plurality of teeth circumferentially located thereabout between the first end and the second end, and the gear head having a recess therein, the protective mask comprising,
a closed ring portion located at a first end of the protective mask, the closed ring portion having a closed surface first side and a closed surface second side;
a plurality of protective vanes, each of the plurality of protective vanes being attached at a first vane end to the closed ring portion and extending in a direction about the closed surface first side of the closed ring portion; and
a securing feature located on the first side of the closed ring portion for securably retaining the mask to the beveled gear via the recess in the gear head.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US15/189,838 US20170368665A1 (en) | 2016-06-22 | 2016-06-22 | Mask for use with particle impact processes and methods of use thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US15/189,838 US20170368665A1 (en) | 2016-06-22 | 2016-06-22 | Mask for use with particle impact processes and methods of use thereof |
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US15/189,838 Abandoned US20170368665A1 (en) | 2016-06-22 | 2016-06-22 | Mask for use with particle impact processes and methods of use thereof |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20210101257A1 (en) * | 2019-10-03 | 2021-04-08 | Gul Khan | Pneumatically operated Shot Peening and Shot Blasting Machine |
US11035248B1 (en) | 2019-11-25 | 2021-06-15 | General Electric Company | Unitary body turbine shrouds including shot peen screens integrally formed therein and turbine systems thereof |
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US5998755A (en) * | 1997-12-19 | 1999-12-07 | United Technologies Corporation | Tooling assembly for positioning airfoils of a rotary machine |
US6189356B1 (en) * | 2000-02-17 | 2001-02-20 | General Electric Company | Method and apparatus for peening |
US8087528B1 (en) * | 2008-01-28 | 2012-01-03 | Elizabeth Scarlett | Stabilizer cup holder |
US8414675B2 (en) * | 2007-04-03 | 2013-04-09 | Donaldson Company, Inc. | Air cleaner; air filter cartridge and method of manufacturing |
US20150322563A1 (en) * | 2014-01-22 | 2015-11-12 | United Technologies Corporation | Fixture for application of coatings and method of using same |
US20160375531A1 (en) * | 2015-06-29 | 2016-12-29 | Engineered Abrasives, Inc. | Machining system, apparatus and method |
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US5998755A (en) * | 1997-12-19 | 1999-12-07 | United Technologies Corporation | Tooling assembly for positioning airfoils of a rotary machine |
US6189356B1 (en) * | 2000-02-17 | 2001-02-20 | General Electric Company | Method and apparatus for peening |
US8414675B2 (en) * | 2007-04-03 | 2013-04-09 | Donaldson Company, Inc. | Air cleaner; air filter cartridge and method of manufacturing |
US8087528B1 (en) * | 2008-01-28 | 2012-01-03 | Elizabeth Scarlett | Stabilizer cup holder |
US20150322563A1 (en) * | 2014-01-22 | 2015-11-12 | United Technologies Corporation | Fixture for application of coatings and method of using same |
US20160375531A1 (en) * | 2015-06-29 | 2016-12-29 | Engineered Abrasives, Inc. | Machining system, apparatus and method |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20210101257A1 (en) * | 2019-10-03 | 2021-04-08 | Gul Khan | Pneumatically operated Shot Peening and Shot Blasting Machine |
US11035248B1 (en) | 2019-11-25 | 2021-06-15 | General Electric Company | Unitary body turbine shrouds including shot peen screens integrally formed therein and turbine systems thereof |
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