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Table of contents
No headersDesign Accelerator calculates, designs, and performs strength checks of 4 pin joint types:
- Securing pin loaded with shear
- Cross pin loaded in a draw rod and a sleeve
- Radial pin loaded with torque
- Joint pin loaded with torque
Pins are designed without considering the effect of forcing into position. Stresses in shear, bending, and contact are evaluated.
Pins serve to make strong, detachable connections between 2 mechanical parts, to secure their positions accurately, and to eliminate transversal shifting forces. As a rule, standardized pins manufactured in a wide range of dimensions and designs are used. Prestress in the connection between parts is achieved either by means of pin allowance against the hole or the use of conical pins. Conical pins are self-locking and have taper ratio 1: 50. Cylindrical pins are produced as either plain or grooved.
- Holes for fitted cylindrical pins are drilled or reamed. The common fitting methods are H7/n6, H7/m6, H7/p6.
- Grooved pins do not require precise hole fitting and are more resistant to release. On the other hand, they are not suitable for connections that are dismantled frequently, or for connecting aluminum parts. The loading capacity of connections with grooved pins is approximately 20-30% lower. The H11/h11, H12/h11 fitting methods are most frequently used.
- Conical pins provide highly accurate and strong connections. They guarantee that the precise position of the parts being connected is maintained even after repeated connection disassembly. They are not suitable for connections subject to vibration and shocks. Holes for conical pins must be reamed in both parts simultaneously; the common fitting methods are H11/h10, H12/h11.
Pinned couplings are sized, under simplified assumptions, without allowing for the pressing effect and with reasonably reduced allowable stress. Connected parts are checked for deformation of contact surfaces on the hole face. Pins and clevis pins, depending on the connection type, are checked for shearing or bending stresses. As a rule, an additional check for shaft torsional stress is done in torque-loaded shaft-hub connections.
Insert whole joint pin connection
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Insert whole secure pin connection
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Insert whole cross pin connection
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Insert whole radial pin connection
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Joint Pin Generator - Design tab
Sets parameters for design of a joint pin.
Also, you must be connected to the Content Center server and Content Center must be configured on your computers to work with Pin Generators. If you are not connected to the Content Center, the Items area on the right side of the Design tab is grayed out.
See the Content Center Help, or Manage libraries across design workgroups Help to learn how to use the Content Center.
Designs a joint pin connection. | |
First, you must select a placement option. The generator chooses the appropriate number of holes for the selected placement option, or offers to select additional holes or add virtual holes. To begin populating the joint pin connection, follow the instructions provided under the Items list "Click to select pin". By clicking this area of the selection list, you are presented with a filtered list of available pin content (from Content Center) based upon previously set Hole Diameter settings. | |
Each of the components is editable: | |
| Displays the Custom Properties dialog box where you can change part parameters (length of joint pin, joint pin diameter, and so on). |
| Deletes the component. |
| Displays a dialog box where you can select from filtered Content Center items. |
Delete
Change ContentDisplays the reports about calculation. To open the Summary of Messages area at the bottom of the Calculation and Design tabs, double-click the double line at the bottom of tabs or click the chevron at the bottom of the tabs. |
Joint Pin Generator - Calculation tab
Extends the Design tab. Calculates generator data based on selections in the Design tab.
Access: |  and click the Calculation tab. |
Specifies the calculation method. It determines which parameters you enter, and which parameters are to be calculated. | |
Pin Design | Designs optimum joint pin dimensions for the indicated load, dimensions and joint properties. |
Check Calculation | Performs a strength check for the specified load, dimensions, and joint properties. |
Loading is entered through power, speed or torque according to the selected method in the pull-down menu. | |
Power, Torque | Calculates the speed according to the power and torque. |
Torque, Speed | Calculates the power according to the torque and speed. |
Power, Speed | Calculates the torque according to the power and speed. |
Service Factor | Represents a Type of Loading and type of Mounting. The allowed material value is lowered according to the selected type. Click |
Desired Safety | With regards to accuracy and credibility of input information, importance of the coupling, quality of production and accuracy of the calculation, it is chosen in a range from 1.5 to 10. |
Warning: Determines empirically the strength parameters of material and reflects minimum values applicable for a group of materials. Although these values are close to the values obtained using measurement of particular materials, it is recommended in cases of final calculations to use parameters of the material according to the material sheet or specifications of the producer | |
Material | Specifies material values you enter, or selects a material from the Material Database. If a material is selected from the Material Database, its values are inserted automatically into the following 3 edit fields, and the edit fields are locked. To unlock the field, clear the box. |
Allowable Shear Stress | Specifies allowable pin shear stress used in calculation. The joint is checked for shear during the strength check. |
Material | Specifies material values you enter, or selects a material from the Material Database. If a material is selected from the Material Database, its values are inserted automatically into the following 3 edit fields, and the edit fields are locked. To unlock the field, clear the box. |
Allowable Pressure | Specifies the allowable pressure of the shaft material with the least quality in the Joint Properties group. The shaft is checked for pressure during the strength check. |
Material | Specifies material values you enter, or selects a material from the Material Database. If a material is selected from Material Database, its values are inserted automatically into the following 3 edit fields, and the edit fields are locked. To unlock the field clear the check box. |
Allowable Pressure | Specifies the allowable pressure of the hub material with the least quality in the Joint Properties group. The hub is checked for pressure during the strength check. |
To display the Results area on the right side of the Calculation tab, double-click the double line on the right or click the chevron. |
The area displays the calculated values and the joint pin strength check. Values are calculated when you click Calculate. |
The units of the results values can be changed. Double-click the specified value you want to change. |
Secure Pin Generator - Design tab
Sets parameters for design of a secure pin.
You must be connected to Content Center server and Content Center must be configured on your computers to insert components using Secure Pin Generator. If you are not connected to the Content Center, the Items area where you select the pin is grayed out.
See the Content Center Help, or Manage libraries across design workgroups Help to learn how to use the Content Center.
Designs a secure pin connection. | |
First, select the placement options. According to the selected placement options the generator chooses the number of holes or offers to select additional hole(s) or add virtual hole(s). To begin populating the secure pin connection, you must first follow the instructions provided under the Items list "Click to select pin". Click this area of the selection list to display a filtered list of available pin content (from Content Center) based upon the previously set Hole Diameter settings. | |
Each of the components is editable: | |
| Displays the Custom Properties dialog box where you can change part parameters (length of secure pin, secure pin diameter, and so on). |
| Deletes the component. |
| Displays a dialog box where you can select from filtered Content Center items. |
Displays the reports about calculation. To open the Summary of Messages area at the bottom of the Calculation and Design tabs, double-click the double line at the bottom of the tabs or click the chevron at the bottom of the tabs. |
Secure Pin Generator - Calculation Tab
This tab extends the Design tab. You can calculate generator data based on selections in the Design tab.
Access: | and click the Calculation tab. |
Specifies the calculation method you select from a list. It determines which parameters are input parameters and which parameters are to be calculated. | |
Pin Design | Designs optimum secure pin dimensions for the indicated load, dimensions and joint properties. |
Check Calculation | Performs a strength check for the specified load, dimensions, and joint properties. |
Service Factor | Represents a Type of Loading and type of Mounting. The allowed material value is lowered according to the selected type. Click |
Desired Safety | Taking into an account the accuracy and validity of input information, importance of the coupling, quality of production and accuracy of the calculation, it is chosen in a range from 1.5 to 10. |
Warning: Determines empirically the strength parameters of material and reflects minimum values applicable for a group of materials. Although these values are close to the values obtained using measurement of particular materials, we recommend that you use parameters of material appropriate for the material sheet or specifications of the producer for final calculations. | |
Material | Specifies material values you enter or material you select from the Material Database. If a material is selected from the Material Database, values are inserted automatically into the following 3 edit fields, and the edit fields are locked. To unlock a field, clear the box. |
Allowable Shear Stress | Specifies the allowable pin shear stress used in the calculation. The pin is checked for shear during the strength check. |
Material | Specifies material values you enter or material you select from the Material Database. If a material is selected from the Material Database, values are inserted automatically into the following three edit fields, and the edit fields are locked. To unlock a field, clear the check box. |
Allowable Pressure | Enters the allowable pressure of the bottom board material with the least quality in the Joint Properties group. The bottom board is checked for pressure during the strength check. |
Material | Specifies material values you enter or material you select from the Material Database. If a material is selected from the Material Database, values are inserted automatically into the following 3 edit fields, and the edit fields are locked. To unlock a field, clear the check box. |
Allowable Pressure | Enters the allowable pressure of the top board material with the least quality in the Joint Properties group. The top board is checked for pressure during the strength check. |
To display the Results area on the right side of the Calculation tab, double-click the double line on the right or click the chevron. |
The area displays the calculated values and the secure pin strength check. Values are calculated when you click Calculate. |
The units of the results values can be changed. Double-click the specified value you want to change. |
Cross Pin Generator - Design tab
Sets parameters for design of a cross pin.
You must be connected to Content Center server and Content Center must be configured on your computers to insert components using Cross Pin Generator. If you are not connected to the Content Center, the Items area on the right side of the Design tab is grayed out.
See the Content Center Help, or Manage libraries across design workgroups Help to learn how to use the Content Center.
Designs cross pin connections. | |
First, the placement selection must be done. According to the selected placement options the generator chooses the number of holes or offers to select additional holes or add virtual holes. To begin populating the cross pin connection, you must first follow the instructions provided under the Items list "Click to select pin." Click this area of the selection list to access a filtered list of available pin content (from Content Center) based upon previously set Hole Diameter settings. | |
Each of the components is editable: | |
| Displays the Custom Properties dialog box where you can change part parameters (length of cross pin, cross pin diameter, and so on). |
| Deletes the component. |
| Displays a dialog box where you can select from filtered Content Center items. |
Displays the reports about calculation. To open the Summary of Messages area at the bottom of the Calculation and Design tabs, double-click the double line at the bottom of tabs, or click the chevron at the bottom of the tabs. |
Cross Pin Generator - Calculation Tab
This tab extends the Design tab. Calculates generator data based on selections in the Design tab.
Access: | and click the Calculation tab. |
Determines which are input parameters and which parameters are to be calculated. Select the calculation method in the list. | |
Pin Design | Designs optimum cross pin dimensions for the indicated load, dimensions and joint properties. |
Check Calculation | Performs a strength check for the specified load, dimensions, and joint properties. |
Service Factor | Represents a Type of Loading and type of Mounting. The allowed material value is lowered according to the selected type. Click |
Desired Safety | With regards to accuracy and credibility of input information, importance of the coupling, quality of production and accuracy of the calculation, it is chosen in a range from 1.5 to 10. |
Warning: Strength parameters of material are determined empirically and reflect minimum values applicable for a group of materials. Although these values are close to the values obtained using measurement of particular materials, we recommend in cases of final calculations to use the parameters of material according to the material sheet or specifications of the producer. | |
Material | Specifies material values you enter or select from the Material Database. If a material is selected from the Material Database, its values are inserted automatically into the following 3 edit fields, and the edit fields are locked. To unlock the field, clear the check box. |
Allowable Shear Stress | Specifies allowable pin shear stress for the calculation. The pin is checked for shear during the strength check. |
Material | You can specify your own material values or select a material from the Material Database. If a material is selected from Material Database, its values are inserted automatically into the following 3 edit fields, and the edit fields are locked. To unlock the field, clear the check box. |
Allowable Pressure | Enter the allowable pressure of the draw rod material with the least quality in the Joint Properties group. The draw rod is checked for pressure during the strength check. |
Material | You can specify material values or select a material from Material Database. If a material is selected from the Material Database, its values are inserted automatically into the following 3 edit fields, and the edit fields are locked. To unlock the field, clear the check box. |
Allowable Pressure | Enters the allowable pressure of the sleeve material with the least quality in the Joint Properties group. The sleeve is checked for pressure during the strength check. |
To display the Results area on the right side of the Calculation tab, double-click the double line on the right or click the chevron. |
The area displays the calculated values and the cross pin strength check. Values are calculated when you click Calculate. |
The units of the results values can be changed. Double-click the specified value you want to change. |
Radial Pin Generator - Design tab
Sets parameters for design of a radial pin.
You must be connected to Content Center server and Content Center must be configured on your computers to insert components using Radial Pin Generator. If you are not connected to the Content Center, the Items area on the right side of the Design tab is grayed out.
See the Content Center Help, or Manage libraries across design workgroups Help to learn how to use the Content Center.
Designs a radial pin connection. | |
First, the placement selection must be done. According to the selected placement options the generator chooses the number of holes or offers to select additional holes or add virtual holes. To begin populating the radial pin connection, you must first follow the instructions provided under the Items list "Click to select pin." Click this area of the selection list to access a filtered list of available pin content (from Content Center) based upon previously set Hole Diameter settings. | |
Each of the components is editable: | |
| Displays the Custom Properties dialog box where you can change part parameters (length of radial pin, radial pin diameter, and so on). |
| Deletes the component. |
| Displays a dialog box where you can select from filtered Content Center items. |
Displays the reports about calculation. To open the Summary of Messages area at the bottom of the Calculation and Design tabs, double-click the double line at the bottom of tabs or click the chevron at the bottom of the tabs. |
Radial Pin Generator - Calculation Tab
This tab extends the Design tab. You can calculate generator data based on selections in the Design tab.
Access: | and click the Calculation tab. |
Specifies a calculation method you select from the list. It determines which are input parameters and which parameters are to be calculated. | |
Pin Design | Designs optimum radial pin dimensions for the indicated load, dimensions, and joint properties. |
Check Calculation | Performs a strength check for the specified load, dimensions, and joint properties. |
Loading is entered through power, speed or torque according to the selected method in the roll-down menu. | |
Power, Torque | Calculates the speed according to the power and torque. |
Torque, Speed | Calculates the power according to the torque and speed. |
Power, Speed | Calculates the torque according to the power and speed. |
Service Factor | Represents a Type of Loading and type of Mounting. The allowed material value is lowered according to the selected type. Click |
Desired Safety | With regards to accuracy and credibility of input information, importance of the coupling, quality of production and accuracy of the calculation, it is chosen in a range from 1.5 to 10. |
Warning: Determines empirically the strength parameters of material and reflects minimum values applicable for a group of materials. Although these values are close to the values obtained using measurement of particular materials, it is recommended in final calculations to use parameters of material according to the material sheet or specifications of the producer. | |
Material | Specifies material values you enter or material you select from the Material Database. |
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| If a material is selected from the Material Database, its values are inserted automatically, and the edit fields are locked. To unlock the field clear the check box. |
Allowable Shear Stress | Specifies the allowable pin shear stress used in the calculation. The pin is checked for shear during the strength check. |
Material | Specifies material values you enter or material you select from the Material Database. If a material is selected from the Material Database, its values are inserted automatically, and the edit fields are locked. To unlock the field, clear the check box. |
Allowable Pressure | Enters the allowable pressure of the radial pin material with the least quality in the Joint Properties group. The pin is checked for pressure during the strength check. |
Allowable Shear Stress | Specifies the allowable pin shear stress used in calculation. The radial pin is checked for shear during the strength check. |
Material | Specifies material values you enter or material you select from the Material Database. If a material is selected from the Material Database, its values are inserted automatically, and the edit fields are locked. To unlock the field, clear the check box. |
Allowable Pressure | Enters the allowable pressure of the rod material with the least quality in the Joint Properties group. The rod is checked for pressure during the strength check. |
To display the Results area on the right side of the Calculation tab, at the bottom of the tab double-click the double line on the right or click the chevron. |
The area displays the calculated values and the radial pin strength check. Values are calculated when you click Calculate. |
The units of the results values can be changed. Double-click the specified value you want to change. |
Changes hole parameters (type, diameter, and so on).
| Access: | On the ribbon, click the Design tab, Fasten panel. Click any Pin Generator, Design tab, Items area, click the Custom Properties commands. |
Type | You have several options to select the type of hole. Depending on the selected option, the hole is adjusted. For example, if you select the Loose option and click OK, you can see that the hole dimensions are changed in the Design tab of the pin generator. |
Designation | For some holes, there are more possible dimensions for the bolt type. Specify the hole more accurately by selecting the appropriate designation. |
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| Confirms the component's inputs. |
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| Closes the dialog box. |
Changes pin parameters (tolerance class, type, length, and so on).
| Access: | On the ribbon, click the Design tab, Fasten panel. Click any Pin Generator, Design tab, Items area, click the Custom Properties commands.  |
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| Confirms the parameters entered for the component. |
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| Closes the dialog box. |