RU2019108418A - Method of joining parts with interference - Google Patents

Method of joining parts with interference Download PDF

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Publication number
RU2019108418A
RU2019108418A RU2019108418A RU2019108418A RU2019108418A RU 2019108418 A RU2019108418 A RU 2019108418A RU 2019108418 A RU2019108418 A RU 2019108418A RU 2019108418 A RU2019108418 A RU 2019108418A RU 2019108418 A RU2019108418 A RU 2019108418A
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RU
Russia
Prior art keywords
parts
pressing
force
value
length
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RU2019108418A
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Russian (ru)
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RU2747172C2 (en
RU2019108418A3 (en
Inventor
Игорь Иванович Воячек
Денис Викторович Кочетков
Сергей Геннадьевич Митясов
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Федеральное государственное бюджетное образовательное учреждение высшего образования "Пензенский государственный университет"
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Priority to RU2019108418A priority Critical patent/RU2747172C2/en
Publication of RU2019108418A publication Critical patent/RU2019108418A/en
Publication of RU2019108418A3 publication Critical patent/RU2019108418A3/ru
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
    • 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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B4/00—Shrinkage connections, e.g. assembled with the parts at different temperature; Force fits; Non-releasable friction-grip fastenings

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Automatic Assembly (AREA)

Claims (8)

1. Способ соединения деталей с натягом путём запрессовки, отличающийся тем, что при частичной запрессовке деталей на основе измеренных значений усилия запрессовки прогнозируют значение усилия при полной запрессовке деталей, соответствующей их конечному положению, и наносят упрочняющий соединение материал, если прогнозируемое значение усилия при полной запрессовке деталей меньше заданного значения.1. A method of connecting parts with an interference fit by pressing, characterized in that, when the parts are partially pressed in, on the basis of the measured values of the pressing force, the force value is predicted when the parts are fully pressed in, corresponding to their final position, and a reinforcing material is applied if the predicted value of the force at full pressing parts less than the specified value. 2. Способ по п. 1, отличающийся тем, что длину полной запрессовки деталей делят не менее чем на три равных интервала, затем при частичной запрессовке деталей последовательно фиксируют измеренное значение усилия запрессовки в моменты, когда длина частичной запрессовки принимает значение кратное величине интервала, первое значение усилия запрессовки фиксируют равным нулю, и прогнозируемое значение усилия при полной запрессовке деталей определяют не менее чем по трём зафиксированным значениям усилия запрессовки, по соотношению2. The method according to claim 1, characterized in that the length of the complete pressing-in of the parts is divided into at least three equal intervals, then, when the parts are partially pressed-in, the measured value of the pressing-in force is sequentially recorded at the moments when the length of the partial press-in takes on a multiple of the interval, the first the value of the pressing force is fixed equal to zero, and the predicted value of the force with complete pressing of the parts is determined by at least three fixed values of the pressing force, according to the ratio
Figure 00000001
Figure 00000001
 где
Figure 00000002
- значение усилия при полной запрессовке деталей прогнозируемое в момент, когда детали частично запрессованы на длину
Figure 00000003
; L - длина полной запрессовки деталей; k - количество интервалов, на которое делится длина полной запрессовки деталей; i = 1,2…n, n ≤ k - количество последовательно зафиксированных значений усилий при частичной запрессовке деталей
Figure 00000004
, участвующих в прогнозировании усилия при полной запрессовке деталей.Where
Figure 00000002
- the value of the force at full pressing of parts predicted at the moment when the parts are partially pressed to the length
Figure 00000003
; L is the length of the complete pressing-in of parts; k is the number of intervals by which the length of the complete pressing-in of parts is divided; i = 1,2 ... n , n ≤ k - the number of sequentially recorded values of the forces at partial pressing of parts
Figure 00000004
involved in predicting the force at full pressing of parts. 3. Способ по п. 1, отличающийся тем, что заданное значение усилия при полной запрессовке деталей определяют с учётом величины возможного упрочнения соединения при нанесении упрочняющего материала.3. The method according to claim 1, characterized in that the predetermined value of the force during complete pressing of the parts is determined taking into account the value of the possible strengthening of the joint when applying the reinforcing material. 4. Способ по пп. 1 и 3, отличающийся тем, что заданное значение усилия при полной запрессовке деталей
Figure 00000005
определяют по соотношению4. The method according to PP. 1 and 3, characterized in that the set value of the force at full pressing of the parts
Figure 00000005
determined by the ratio
Figure 00000006
,
Figure 00000006
, где
Figure 00000007
- максимальная сдвиговая нагрузка, действующая на соединение в процессе его эксплуатации; n - коэффициент запаса прочности соединения;
Figure 00000008
- величина возможного упрочнения соединения при нанесении упрочняющего материала на свободные участки соединяемых поверхностей одной или обеих деталей при частичной запрессовке деталей на длину
Figure 00000003
.Where
Figure 00000007
- the maximum shear load acting on the connection during its operation; n is the safety factor of the connection;
Figure 00000008
- the magnitude of the possible strengthening of the joint when applying a strengthening material to the free areas of the surfaces to be joined of one or both parts with partial pressing of parts to length
Figure 00000003
...
RU2019108418A 2019-03-22 2019-03-22 Connection method of parts with interference RU2747172C2 (en)

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Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3148498C2 (en) * 1981-12-08 1986-06-05 Esser-Brieden GmbH & Co KG, 4788 Warstein Process for the production of a double-walled pipe for the transport of solids
SE450151B (en) * 1985-11-21 1987-06-09 Ffv Transmission Ab DEVICE WITH CONTROLLED FRICTION AND PROCEDURE TO RECEIVE CONTROL FRICTION BY SUCH A DEVICE
RU2086381C1 (en) * 1993-01-11 1997-08-10 Самарский государственный технический университет Method for assembling shaft-and-bushing connections
JPH06330953A (en) * 1993-05-19 1994-11-29 Aisin Seiki Co Ltd Method for joining two pipes
RU2357111C1 (en) * 2007-12-10 2009-05-27 Государственное образовательное учреждение высшего профессионального образования "Пензенский государственный университет" (ПГУ) Method for interference fit of parts
JP2010037598A (en) * 2008-08-05 2010-02-18 Sumitomo Heavy Ind Ltd Method for manufacturing member having wear resistant inner peripheral surface
RU2504697C1 (en) * 2012-07-20 2014-01-20 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Ульяновский государственный технический университет" Part connection method

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RU2019108418A3 (en) 2020-09-22

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