Drive mechanism selection - Revision history

Kuraken at 20:05, 18 February 2023

2023-02-18T20:05:40Z

@@ Line 3: / Line 3: @@
 Use the table below to identify the type of drive mechanism that is the most suited for your intended application.
-{| class="wikitable"
+{| class="wikitable" style="text-align:center; vertical-align:middle;"
-! Application factors !! Belt drives !! Chain drives !! Rack/Gear and pinion !! Roller Pinon/rack !! Leadscrews !! Ballscrews !! Linear Motors
+|- style="font-weight:bold;"
 |-
-| '''Accuracy''' || Low  || Low  || Low-High || High || Low  || Low-High || High
+| style="text-align:right; font-weight:bold; background-color:#D9D9D9;" | Accuracy
 |-
-| '''Backlash/Vibration''' || A consideration || A consideration || A consideration || Near Zero || A consideration || A consideration || Near Zero
+| style="text-align:right; font-weight:bold; background-color:#D9D9D9;" | Length
-|-
+| Shorter
-| '''Acceleration''' || Medium || Low  || High || High || Low  || Medium || High
+| Shorter
-|-
+| Long
-| '''Speed''' || Medium || Low  || Medium || High || Low  || Medium || High
+| Long
-|-
+| Shorter
-| '''Load capacity''' || Low  || Medium || High || High || Low  || High || Low
+| Shorter
-|-
+| Moderate
-| '''Length''' || Shorter || Shorter || Long || Long || Shorter || Shorter || Moderate
+|- style="background-color:#FEFEA4;"
-|-
+| style="text-align:right; font-weight:bold; background-color:#D9D9D9;" | High wear and short life
-| '''High wear and short life''' || A consideration || A consideration || A consideration || Long life || A consideration || A consideration || Long life
+| A   consideration
-|-
+| A   consideration
-| '''Maintenance''' || A consideration || A consideration || A consideration || Low to none || A consideration || A consideration || Low to none
+| A   consideration
-|-
+| style="background-color:#A8E0B1;" | Long   life
-| '''Noise level''' || Medium || High || Medium || Low  || High || Medium || Low
+| A   consideration
-|-
+| A   consideration
-| '''Dust and dirt emissions''' || High || High || Moderate || Low to none || Moderate || Moderate || Low to none
+| style="background-color:#A8E0B1;" | Long   life
 |}
 =See also=
-[[Machine elements]]
+[[Guide to machine design]]

Kuraken at 21:51, 11 February 2023

2023-02-11T21:51:48Z

← Older revision		Revision as of 21:51, 11 February 2023
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	\| '''Dust and dirt emissions''' \|\| High \|\| High \|\| Moderate \|\| Low to none \|\| Moderate \|\| Moderate \|\| Low to none		\| '''Dust and dirt emissions''' \|\| High \|\| High \|\| Moderate \|\| Low to none \|\| Moderate \|\| Moderate \|\| Low to none
	\|}		\|}

			=See also=
			[[Machine elements]]

Kuraken at 21:51, 11 February 2023

2023-02-11T21:51:13Z

← Older revision		Revision as of 21:51, 11 February 2023
Line 1:		Line 1:
	A drive mechanism is the part of a machine that, through power provided by a motor, performs the intended task of a machine. It can for example be a belt moving a box or a ball screw lifting or lowering heavy equipment.		A drive mechanism is the part of a machine that, through power provided by a motor, performs the intended task of a machine. It can for example be a belt moving a box or a ball screw lifting or lowering heavy equipment.

			Use the table below to identify the type of drive mechanism that is the most suited for your intended application.

	{\| class="wikitable"		{\| class="wikitable"

Kuraken at 21:50, 11 February 2023

2023-02-11T21:50:08Z

Show changes

Kuraken: /* Rotary motion */

2022-11-02T19:12:05Z

Rotary motion

← Older revision		Revision as of 19:12, 2 November 2022
Line 29:		Line 29:

	=Rotary motion=		=Rotary motion=
	~~For applications with heavy loads and slow turning, such as rotation of a crane, slewing bearings are suitable.~~

	~~For applications with several, or several thousand, rotations per minute, rolling bearings are suitable.~~

	~~==Gears==~~

	~~Main article: [[Gear]] for detailed description and gear calculation.~~

	~~Gears, just like spurs and sprockets, are mechanisms used to transfer energy by rotary motion.~~

	~~They can all be used to change the following:~~
	*Speed of rotation
	*Direction of rotation
	*Amount of torque available to do work

	~~==Rolling bearings==~~

	~~Main article: [[Bearing selection]]~~

	~~The table below shows level of suitability of different bearing types for different conditions.~~

	~~[[File:Bearing type selection.png]]~~

	~~This section is based on a table found in SKF handbooks and on the [https://www.engineersedge.com/bearing/bearing_selection.htm Engineers Edge website.]~~

	~~[[File:Bearing types.png\|500]]~~
	~~Image source: https://www.machinedesign.com/learning-resources/whats-the-difference-between/article/21831901/whats-the-difference-between-bearings~~

	=Motors=		=Motors=

Kuraken: Kuraken moved page Motion to Drive mechanism selection: This article has been split into several articles. (The original article and the ones that came after were all done by one author, so no one's work is being deleted.)

2022-11-02T19:10:57Z

Kuraken moved page Motion to Drive mechanism selection: This article has been split into several articles. (The original article and the ones that came after were all done by one author, so no one's work is being deleted.)

← Older revision	Revision as of 19:10, 2 November 2022
(No difference)

Kuraken: /* Motors */

2022-07-08T23:58:05Z

Motors

← Older revision		Revision as of 23:58, 8 July 2022
Line 58:		Line 58:

	=Motors=		=Motors=
			Main article: [[Motor selection]]

	A motor converts one form of energy into mechanical energy.		A motor converts one form of energy into mechanical energy.

Kuraken: /* Summary */

2022-07-07T19:59:52Z

Summary

← Older revision		Revision as of 19:59, 7 July 2022
Line 68:		Line 68:

	{\| class="wikitable"		{\| class="wikitable"
	! !! Stepper motors !! Servo motors !! Brushed DC motors !! Brushless DC motors		! Attribute !! Stepper motors !! Servo motors !! Brushed DC motors !! Brushless DC motors
	\|-		\|-
	\| Accuracy \|\| High \|\| High (achieved by adding encoder to the system. \|\| None \|\| Varies		\| Accuracy \|\| High \|\| High (achieved by adding encoder to the system. \|\| None \|\| Varies

Kuraken at 20:39, 12 January 2022

2022-01-12T20:39:41Z

← Older revision		Revision as of 20:39, 12 January 2022
Line 31:		Line 31:
	For applications with heavy loads and slow turning, such as rotation of a crane, slewing bearings are suitable.		For applications with heavy loads and slow turning, such as rotation of a crane, slewing bearings are suitable.

	For applications with several, or several thousand, rotations per minute, rolling bearings are suitable.		For applications with several, or several thousand, rotations per minute, rolling bearings are suitable.

			==Gears==

			Main article: [[Gear]] for detailed description and gear calculation.

			Gears, just like spurs and sprockets, are mechanisms used to transfer energy by rotary motion.

			They can all be used to change the following:
			*Speed of rotation
			*Direction of rotation
			*Amount of torque available to do work

	==Rolling bearings==		==Rolling bearings==

Kuraken: /* Summary */

2021-11-07T13:48:31Z

Summary

← Older revision		Revision as of 13:48, 7 November 2021
Line 59:		Line 59:
	! !! Stepper motors !! Servo motors !! Brushed DC motors !! Brushless DC motors		! !! Stepper motors !! Servo motors !! Brushed DC motors !! Brushless DC motors
	\|-		\|-
	\| Accuracy \|\| High \|\| High (achieved by adding encoder to the system. \|\| - \|\| -		\| Accuracy \|\| High \|\| High (achieved by adding encoder to the system. \|\| None \|\| Varies
	\|-		\|-
	\| Torque at low speeds \|\| High \|\| High \|\| - \|\| -		\| Torque at low speeds \|\| High \|\| High \|\| - \|\| -