CN106015477A - Tensioning wheel support for automobiles - Google Patents
Tensioning wheel support for automobiles Download PDFInfo
- Publication number
- CN106015477A CN106015477A CN201610527331.XA CN201610527331A CN106015477A CN 106015477 A CN106015477 A CN 106015477A CN 201610527331 A CN201610527331 A CN 201610527331A CN 106015477 A CN106015477 A CN 106015477A
- Authority
- CN
- China
- Prior art keywords
- tension pulley
- tensioning wheel
- hole
- head
- pulley support
- 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.)
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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
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/02—Alloys based on aluminium with silicon as the next major constituent
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/06—Anodisation of aluminium or alloys based thereon characterised by the electrolytes used
- C25D11/08—Anodisation of aluminium or alloys based thereon characterised by the electrolytes used containing inorganic acids
-
- 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
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H2007/0842—Mounting or support of tensioner
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses a tensioning wheel support for automobiles. The tensioning wheel support comprises a head part, a through hole, a shaft sleeve, a protruding part, a connecting part, a tensioning arm, a rectangular through hole, a rectangular groove, a groove, a tail part, a through hole and an annular shoulder step structure. The tensioning wheel support is made in a pressure casting mode and comprises 10%-15% of silicon, 0.2%-0.5% of magnesium, 0-0.5% of copper, 0.15%-0.4% of manganese, 0.3%-0.8% of ferrum, 0.1%-0.5% of zinc, 0.03%-0.08% of titanium, 0.03%-0.05% of strontium, 0.1%-0.3% of zirconium, 0.1%-0.3% of chromium, 0.03%-0.05% of strontium, 0.15%-0.2% of rare earth element and the balance aluminum and inevitable impurities. After pressure casting is completed, tensioning wheel support pressure castings are subjected to electrochemistry surface hardening treatment. The selected manufacturing materials can meet the casting performance requirement for alloy, the mechanical property of the automobile tensioning wheel support can be improved, and the percent of pass can be increased. The tensioning wheel support is simple in structure, reasonable in design, and capable of reducing abrasion of tensioning wheel bearings and prolonging the service life of the tensioning wheel bearings.
Description
Technical field
The present invention relates to auto parts machinery field, particularly to a kind of automobile tension pulley support.
Background technology
Automobile tension pulley assembly can correctly deliver energy to other when being mainly as guaranteeing engine work
Parts, its effect in car load, determine and the higher of its performance, functional parameter and dependability is wanted
Ask.Automobile tension pulley support is used for supporting and fixing regulating wheel.
The afterbody of existing tension pulley support be generally used for install regulating wheel, but the tail of existing tension pulley support
It is planar structure that regulating wheel side is installed in portion, when regulating wheel runs up again with the contact area of tension pulley support relatively
Greatly, the abrasion of tension wheel shaft bearing can be caused to strengthen, reduce the service life of tension wheel shaft bearing.
Summary of the invention
For solving the problems referred to above, the invention discloses a kind of automobile tension pulley support, including: head, described
Head is cylinder type structure, and described cylinder type structure has through hole, the axle of described head along cylinder axis
Line direction is provided with axle sleeve, and the side of described head is provided with protuberance, described head along the tangential direction of described head
The side relative with described protuberance is provided with connecting portion, and the other end of described connecting portion is connected with tensioner arm, described
Tensioner arm is vertical with described connecting portion, described tensioner arm and described head parallel and on different level, institute
The other end stating tensioner arm is provided with the afterbody of described support, and described afterbody is cylindrical structure, the axle of described afterbody
Line direction has through hole, and described afterbody and described head are in the end of the same side and are provided with at least one annular shoulder rank
Structure.
A kind of automobile tension pulley support pointed by the present invention, is made by forging type, the material used
For Cast aluminium alloy gold, in this Cast aluminium alloy gold, each alloying element weight ratio is as follows:
Silicon 10%-15%；Magnesium 0.2%-0.5%；Copper less than 0.5%；Manganese 0.15%-0.4%；Ferrum 0.3%-0.8%；
Zinc 0.1%-0.5%；Titanium 0.03%-0.08%；Strontium 0.03%-0.05%；Zirconium 0.1%-0.3%；Chromium 0.1%-0.3%；
Strontium 0.03%-0.05%；Rare earth element 0.15%-0.2%；Remaining is aluminum and inevitable impurity；
After casting completes, aluminium alloy castings entering oxidation trough oxidation, oxidation solution consists of NaOH, Baume
Degree be 35 °-40 ° waterglass, etc. quality and EDETATE SODIUM and concentration that concentration is 2-4g/L be 4-8g/L
Na2WO4, temperature flows through cooling tube by tap water and controls at 35-40 DEG C, and pH value is by adding H3PO4Adjust
Joint is 2-3, and initial current density is 30-40A/dm2, oxidization time is 5-8min, strong mixing, and conducting rod is
The red copper bar of Φ 3-5mm, conducting rod immerses the part of solution with ambroin sleeve pipe and HZ704 single-component silicon rubber
Glue fully seals, it is ensured that conducting rod does not has any contact with solution.
It is also preferred that the left described head two surfaces vertically are stretched out at the two ends of described axle sleeve.
It is also preferred that the left described protuberance is along the cylinder type with described head of the length of the axis direction of described head
Structure length in the axial direction is equal.
It is also preferred that the left described connecting portion is the contour body structure vertical with described head side end face.
It is also preferred that the left the middle part of described tensioner arm is provided with rectangular through-hole and rectangular channel, described tensioning in the axial direction
It is provided with groove between arm both sides of the edge and described rectangular through-hole.
It is also preferred that the left described tensioner arm is along the axle with described afterbody of the length of the described axis direction crossing rectangular through-hole
The length in line direction is equal.
It is also preferred that the left described annular shoulder stage structure is four.
It is also preferred that the left the manufacture of described automobile tension pulley support is compression casting.
It is also preferred that the left described rare earth element adds with forms such as oxide, sulfide, complex.
As seen from the above technical solution, a kind of automobile tension pulley support that the embodiment of the present invention provides, including:
Head, described head is cylinder type structure, and described cylinder type structure has through hole along cylinder axis, institute
The axis direction stating head is provided with axle sleeve, and the side of described head is provided with prominent along the tangential direction of described head
Portion, the side that described head is relative with described protuberance is provided with connecting portion, the other end of described connecting portion and tensioning
Arm connects, and described tensioner arm is vertical with described connecting portion, with described head parallel and on different level,
The other end of described tensioner arm is provided with the afterbody of described support, and described afterbody is cylindrical structure, described afterbody
Axis direction has through hole, and described afterbody and described head are in the end of the same side and are provided with round boss.This
Bright simple in construction, reasonable in design, the abrasion of tension wheel shaft bearing can be reduced, improve the use of the bearing of regulating wheel
Life-span.
By selecting the Cast aluminium alloy gold containing elements such as silicon, magnesium, copper, strontium and rare earth elements as institute of the present invention
The making material of a kind of tension pulley support pointed out, meets the casting processing performance requirement to alloy, adds trace
Strontium and rare earth element, binary composite inoculating can improve the mechanical performance of aluminium alloy castings, finally foundry goods be carried out electricity
Chemical surface intensive treatment, overcomes that cast(ing) surface is intrinsic, inevitable casting flaw, such as pore, splits
Stricture of vagina, be mingled with, local dent or current mark etc., and corrosion resistance and the wearability of tension pulley support can be increased, carry
The mechanical property of high tension pulley support and qualification rate.
Accompanying drawing explanation
The structural representation of a kind of automobile tension pulley support that Fig. 1 provides for the embodiment of the present invention；
The front view of a kind of automobile regulating wheel that Fig. 2 provides for the embodiment of the present invention；
The top view of a kind of automobile regulating wheel that Fig. 3 provides for the embodiment of the present invention；
The tail structure schematic diagram of a kind of automobile regulating wheel that Fig. 4 provides for the embodiment of the present invention.
Wherein, 1-head；2-through hole；3-axle sleeve；4-protuberance；5-connecting portion；6-tensioner arm；61-square
Shape through hole；62-rectangular channel；63-groove；7-afterbody；8-through hole；9-annular shoulder stage structure.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearly
Chu, it is fully described by, it is clear that described embodiment is only a part of embodiment of the present invention rather than complete
The embodiment in portion.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative labor
The every other embodiment obtained under dynamic premise, broadly falls into the scope of protection of the invention.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, for solving prior art problem, the embodiment of the present invention is open
A kind of automobile tension pulley support, the material of support is metal alloy, including: head 1, described head 1
For cylinder type structure, described cylinder type structure has through hole 2, the axle of described head 1 along cylinder axis
Line direction is provided with axle sleeve 3,
Concrete, the two ends extended tips 1 of axle sleeve two surfaces vertically, axle sleeve 3 is the cylindrical structural of hollow.
The hollow space of axle sleeve and axle sleeve are concentric structure.Further, the external diameter of axle sleeve one end more than axle sleeve another
The external diameter of end.
The side of head 1 is provided with protuberance 4, described head 1 and described protuberance along the tangential direction of described head 1
4 relative sides are provided with connecting portion 5.
Concrete, protuberance is along the cylinder type structure with described head of the length of the axis direction of described head
Length in the axial direction is equal.Connecting portion is the contour body structure vertical with described head side end face, cambered surface
The arc length of body is four/mono-to half of head circumference.
The other end of described connecting portion 5 is connected with tensioner arm 6, and described tensioner arm 6 is vertical with described connecting portion 5, institute
State tensioner arm with described head 1 parallel and on different level.
The middle part of tensioner arm 6 is provided with rectangular through-hole 61 and rectangular channel 62, described tensioner arm both sides in the axial direction
Groove 63 it is provided with between edge and described rectangular through-hole.
Concrete, rectangular channel 62 is square groove.Tensioner arm 6 is along the length of the described axis direction crossing rectangular through-hole 61
The length with the axis direction of described afterbody of degree is equal, and further described rectangular through-hole 61 is square.Tensioning
Being provided with groove 63 between arm 6 both sides of the edge and described rectangular through-hole, groove 63 main part is rectangle, and groove leans on
One end of nearly support afterbody is semicircular structure, also opens with another surface of the tensioner arm 6 of these groove 63 symmetries
There are identical groove 63 and rectangular channel 62.
The other end of described tensioner arm 6 is provided with the afterbody 7 of described support, and described afterbody 7 is cylindrical structure, institute
State the axis direction of afterbody 7 and have through hole 8, the end that described afterbody 7 and described head 1 are in the same side be provided with to
A few annular shoulder stage structure 9, annular shoulder stage structure is four.
Concrete, shoulder rank 92 are located on shoulder rank 91, and the diameter on shoulder rank 91, more than the diameter on shoulder rank 92, takes on rank 93
Being located on shoulder rank 92, the diameter on shoulder rank 92 is located on shoulder rank 93 more than the diameter on shoulder rank 93, shoulder rank 94, is takeed on rank 93
Diameter more than the diameter on shoulder rank 94, respectively shoulder rank are hollow cylindrical structure, shoulder rank hollow part and shoulder rank
There is identical axis.
A kind of automobile tension pulley support pointed by the present invention, can use the mode of compression casting to obtain, and selects
Material is Cast aluminium alloy gold, and in this Cast aluminium alloy gold, each alloying element weight ratio is as follows:
Silicon 10%-15%, it can improve the casting character of alloy, carry heavy alloyed high temperature formative nature, reduce and shrink
Rate；
Magnesium 0.2%-0.5%, adds a small amount of magnesium in aluminium alloy, can improve intensity and yield limit, improves and closes
The machinability of gold；
Copper less than 0.5%, it can put forward heavy alloyed mobility, tensile strength and hardness；
Manganese 0.15%-0.4%；
Ferrum 0.3%-0.8%；
Zinc 0.1%-0.5%, zinc can improve mobility in aluminium alloy；
Titanium 0.03%-0.08%, adds the titanium of trace in aluminium alloy, the grain structure of the notable refining aluminum alloy of energy,
Put forward heavy alloyed mechanical performance, drop low-alloyed hot cracking tendency；
Strontium 0.03%-0.05%, adds thick dendrite in the microscopic structure that micro strontium can enable aluminum alloy to and becomes
Tiny, reduce the Micro shrinkage in aluminum alloy die casting, make shrinkage cavity be gathered in the rising head of final set, reduce gas
The generation in hole, improves the plastic deformation ability of die casting；
Zirconium 0.1%-0.3%, adds trace zirconium in aluminium alloy, can hinder recrystallization process, and refinement recrystallization is brilliant
Grain；
Chromium 0.1%-0.3%, chromium forms intermetallic compound in aluminum, hinders forming core and the growth process of recrystallization,
Die casting is had certain invigoration effect, moreover it is possible to improve die casting toughness, reduce die casting stress corrosion cracking quick
Perception.
Strontium 0.03%-0.05%, adds thick dendrite in the microscopic structure that micro strontium can enable aluminum alloy to and becomes
Tiny, reduce the Micro shrinkage in aluminum alloy die casting, make shrinkage cavity be gathered in the rising head of final set, reduce gas
The generation in hole, improves the plastic deformation ability of die casting；
Rare earth element 0.15%-0.2%, rare earth and strontium binary composite inoculating have good modification effect to aluminium alloy,
From the point of view of as-cast structure, primary crystal aluminum presents tiny coral polyp shape, and eutectic structure is also tiny threadiness.Meanwhile,
Mechanical property also peaks, and elongation percentage reaches 5.8%, and tensile strength also reaches 252MPa, from heat treatment
From the point of view of microscopic structure, eutectic structure becomes tiny ellipticity or little spherical shape, is evenly distributed on primary crystal aluminum,
Elongation percentage reaches 6.6%, and tensile strength reaches 268MPa, and binary composite inoculating has long-lasting premium properties；
Rare earth element adds with forms such as oxide, sulfide, complex.
Remaining is aluminum and inevitable impurity.
After casting completes, aluminum alloy die casting entering oxidation trough oxidation, oxidation solution consists of NaOH, ripple
U.S.'s degree be 40 ° waterglass, etc. quality and EDETATE SODIUM and concentration that concentration is 3g/L be the Na of 5g/L2WO4,
Temperature flows through cooling tube by tap water and controls at 35-40 DEG C, and pH value is by adding H3PO4It is adjusted to 2, just
Beginning electric current density is 30-40A/dm2, oxidization time is 5min, strong mixing, and conducting rod is the red copper bar of Φ 4mm,
Part ambroin sleeve pipe and the HZ704 one-component silicone rubber of conducting rod immersion solution fully seal, to ensure
Conducting rod does not has any contact with solution.
Through above-mentioned electrochemical surface intensive treatment, obtain fine and smooth uniform pottery oxygen on aluminum alloy die casting surface
Changing film, microhardness reaches 800HV, and has preferable corrosion resistance.
Present configuration is simple, reasonable in design, can reduce the abrasion of tension wheel shaft bearing, improves the axle of regulating wheel
The service life held.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit protection scope of the present invention.
All any modification, equivalent substitution and improvement etc. made within the spirit and principles in the present invention, are all contained in this
In the protection domain of invention.
Claims (9)
1. an automobile tension pulley support, it is characterised in that described support includes: head, described head
For cylinder type structure, described cylinder type structure has through hole, the axis side of described head along cylinder axis
To being provided with axle sleeve, the side of described head is provided with protuberance, described head and institute along the tangential direction of described head
Stating the relative side of protuberance and be provided with connecting portion, the other end of described connecting portion is connected with tensioner arm, described tensioning
Arm is vertical with described connecting portion, described tensioner arm and described head parallel and on different level, described
The other end of tight arm is provided with the afterbody of described support, and described afterbody is cylindrical structure, the axis side of described afterbody
To having through hole, described afterbody and described head are in the end of the same side and are provided with at least one annular shoulder rank knot
Structure；
A kind of automobile tension pulley support pointed by the present invention, is made by forging type, the material used
For Cast aluminium alloy gold, in this Cast aluminium alloy gold, each alloying element weight ratio is as follows:
Silicon 10%-15%；Magnesium 0.2%-0.5%；Copper less than 0.5%；Manganese 0.15%-0.4%；Ferrum 0.3%-0.8%；
Zinc 0.1%-0.5%；Titanium 0.03%-0.08%；Strontium 0.03%-0.05%；Zirconium 0.1%-0.3%；Chromium 0.1%-0.3%；
Strontium 0.03%-0.05%；Rare earth element 0.15%-0.2%；Remaining is aluminum and inevitable impurity；
After casting completes, aluminium alloy castings entering oxidation trough oxidation, oxidation solution consists of NaOH, Baume
Degree be 35 °-40 ° waterglass, etc. quality and EDETATE SODIUM and concentration that concentration is 2-4g/L be 4-8g/L
Na2WO4, temperature flows through cooling tube by tap water and controls at 35-40 DEG C, and pH value is by adding H3PO4Adjust
Joint is 2-3, and initial current density is 30-40A/dm2, oxidization time is 5-8min, strong mixing, and conducting rod is
The red copper bar of Φ 3-5mm, conducting rod immerses the part of solution with ambroin sleeve pipe and HZ704 single-component silicon rubber
Glue fully seals, it is ensured that conducting rod does not has any contact with solution.
A kind of automobile tension pulley support the most according to claim 1, it is characterised in that described axle sleeve
Described head two surfaces vertically are stretched out at two ends.
A kind of automobile tension pulley support the most according to claim 1, it is characterised in that described protuberance
Along described head axis direction length with the cylinder type structure of described head length in the axial direction
Equal.
A kind of automobile tension pulley support the most according to claim 1, it is characterised in that described connecting portion
For the contour body structure vertical with described head side end face.
Method the most according to claim 4, it is characterised in that the middle part of described tensioner arm is in the axial direction
It is provided with rectangular through-hole and rectangular channel, between described tensioner arm both sides of the edge and described rectangular through-hole, is provided with groove.
A kind of automobile tension pulley support the most according to claim 1, it is characterised in that described tensioner arm
Equal along the length with the axis direction of described afterbody of the length of the described axis direction crossing rectangular through-hole.
A kind of automobile tension pulley support the most according to claim 1, it is characterised in that described annular shoulder
Stage structure is four.
A kind of automobile tension pulley support the most according to claim 1, it is characterised in that manufacture
For compression casting.
A kind of automobile tension pulley support the most according to claim 1, it is characterised in that described rare earth
Element adds with forms such as oxide, sulfide, complex.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610527331.XA CN106015477A (en) | 2016-07-06 | 2016-07-06 | Tensioning wheel support for automobiles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610527331.XA CN106015477A (en) | 2016-07-06 | 2016-07-06 | Tensioning wheel support for automobiles |
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| Publication Number | Publication Date |
|---|---|
| CN106015477A true CN106015477A (en) | 2016-10-12 |
Family
ID=57106966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610527331.XA Pending CN106015477A (en) | 2016-07-06 | 2016-07-06 | Tensioning wheel support for automobiles |
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| CN (1) | CN106015477A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106523144A (en) * | 2016-12-26 | 2017-03-22 | 重庆小康工业集团股份有限公司 | Internal tensioning-type engine gear train |
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| JP2004144256A (en) * | 2002-10-28 | 2004-05-20 | Ntn Corp | Hydraulic tensioner |
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| CN202732871U (en) * | 2012-08-31 | 2013-02-13 | 浙江瑞德利汽车部件有限公司 | Automatic tension pulley central shaft sleeve |
| CN204312636U (en) * | 2014-11-27 | 2015-05-06 | 浙江瑞德利汽车部件有限公司 | A kind of automatic tensioner |
| CN105296818A (en) * | 2014-08-01 | 2016-02-03 | 比亚迪股份有限公司 | Aluminum alloy and preparation method and application thereof |
-
2016
- 2016-07-06 CN CN201610527331.XA patent/CN106015477A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004144256A (en) * | 2002-10-28 | 2004-05-20 | Ntn Corp | Hydraulic tensioner |
| CN102312135A (en) * | 2010-06-30 | 2012-01-11 | 通用汽车环球科技运作有限责任公司 | Improved y alloy y |
| CN202732871U (en) * | 2012-08-31 | 2013-02-13 | 浙江瑞德利汽车部件有限公司 | Automatic tension pulley central shaft sleeve |
| CN105296818A (en) * | 2014-08-01 | 2016-02-03 | 比亚迪股份有限公司 | Aluminum alloy and preparation method and application thereof |
| CN204312636U (en) * | 2014-11-27 | 2015-05-06 | 浙江瑞德利汽车部件有限公司 | A kind of automatic tensioner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106523144A (en) * | 2016-12-26 | 2017-03-22 | 重庆小康工业集团股份有限公司 | Internal tensioning-type engine gear train |
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