Changes for page LSS Mechanical
Last modified by Eric Nantel on 2024/07/12 11:24
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... ... @@ -3,14 +3,12 @@ 3 3 4 4 {{toc depth="3"/}} 5 5 6 -= Features = 6 += LSS Features = 7 7 8 -With the LSS (Lynxmotion Smart Servo) we incorporated some features which make sense for Robotic applications. Bellow are some of the main features present on the LSS. 9 - 10 10 |(% colspan="2" style="width:350px" %)((( 11 11 == Driving Horn == 12 12 ))) 13 -|(% style="width:350px" %)[[image:LSS - driven horn.png]]|The aluminum driving horn is connected to the output shaft of the final gear in the gear train located within the servo. This output shaft has a specific cross section called a “spline” (the “male” version of the spline), and the driving horn has the mating “female” spline. The details of the spline are found below. The driving horn is held in place using an M3 x 8mm pan head machine screw. 11 +|(% style="width:350px" %)[[image:LSS - driven horn.png]]|The aluminum driving horn is connected to the output shaft of the final gear in the gear train which is located within the servo. This output shaft has a specific cross section called a “spline” (specifically the “male” version of the spline), and the driving horn has the mating “female” spline. The details of the spline are found below. The driving horn is held in place using an M3 x 8mm pan head machine screw and has the SES standard mounting pattern described below. 14 14 |(% colspan="2" style="width:350px" %)((( 15 15 == Spline == 16 16 ))) ... ... @@ -31,9 +31,7 @@ 31 31 == Case == 32 32 ))) 33 33 |(% style="width:350px" %)[[image:LSS - case.png||width="400"]]|((( 34 -The black plastic case which forms the body of the servo is made up of three sections: the top (highlighted in yellow), the bottom (opposite the driven horn and highlighted in orange), and the middle / center. All three case components on the high speed and standard servos are made of injection-molded ABS plastic, whereas the middle case on the high torque is machined aluminum, anodized black. There are four screws located on the bottom case holding the servo together. Opening the servo without express permission from RobotShop / Lynxmotion staff will void the warranty. 35 - 36 -There are many threaded inserts in the top and bottom case, and their specifications and functionality are described below. 32 +The black plastic case which forms the body of the servo is made up of three sections: the top (highlighted in yellow), the bottom (opposite the driven horn and highlighted in orange), and the middle / center. All three case components on the high speed and standard servos are made of injection-molded ABS plastic, whereas the middle case on the high torque is machined aluminum, anodized black. There are four screws located on the bottom case holding the servo together. Opening the servo without express permission from RobotShop / Lynxmotion staff will void the warranty. There are many threaded inserts in the top and bottom case, and their specifications and functionality are described below. 37 37 ))) 38 38 |(% colspan="2" style="width:350px" %)((( 39 39 == LED Bar == ... ... @@ -49,7 +49,7 @@ 49 49 |(% colspan="2" style="width:350px" %)((( 50 50 == Connector == 51 51 ))) 52 -|(% style="text-align:center; width:350px" %)[[image:LSS - Connectors.png||width="250"]]|There are two male four-pin 2.54mm (0.1") spaced MOLEX connectors located on either side of the servo. The pins are GND, VCC+, Rx (servo receive pin) and Tx (servo transmit pin). 48 +|(% style="text-align:center; width:350px" %)[[image:LSS - Connectors.png||width="250"]]|There are two male four-pin 2.54mm (0.1") spaced MOLEX connectors located on either side of the servo. The connector is "keyed" to prevents mating except with a correctly oriented matching connector, and there is no locking mechanism. The pins are GND, VCC+, Rx (servo receive pin) and Tx (servo transmit pin). The order of the connector pins is reversed from one side of the servo to the other . In order to receive or send a command / signal only one side needs to be connected. The other connector need only be used when adding another servo to the chain. 53 53 |(% colspan="2" style="width:350px" %)((( 54 54 == Button == 55 55 ))) ... ... @@ -62,20 +62,7 @@ 62 62 == Motor == 63 63 ))) 64 64 |(% style="text-align:center; width:350px" %)[[image:LSS - Motor.png||width="250"]]|The brushed DC motor is located within the central part of the case. The motor used in the high torque servo is coreless, while the motor used in the standard and high speed servos is cored. 65 -|(% colspan="2" style="width:350px" %)((( 66 -== Electronics == 67 -))) 68 -|(% style="text-align:center; width:350px" %) |((( 69 -The electronics inside the servo include the following: 70 70 71 -* H-bridge motor controller 72 -* Microcontroller (Cortex M0) 73 -* Magnetic position sensor 74 -* Voltage sensor 75 -* Temperature sensor 76 -* Current sensor 77 -))) 78 - 79 79 |(% colspan="2" style="width:350px" %)((( 80 80 = Threaded Inserts = 81 81 ))) ... ... @@ -83,22 +83,9 @@ 83 83 |[[image:LSS-Bottom-Inserts(800px).png||width="400"]]|The bottom case of the servo includes 16x 2-56 threaded inserts plus two M3 threaded inserts located at the center of the SES pattern. 84 84 |[[image:LSS-Screws-Distance.png]]|IMPORTANT NOTE: ONLY USE THE 2-56 x 14” SCREWS PROVIDED. LONGER SCREWS CAN AND WILL CAUSE DAMAGE TO THE SERVO. 85 85 86 -= SES Pattern =69 += Dimensions = 87 87 88 -The SES mounting pattern is based on two holes which are used for mounting objects to a Hitec standard servo horn such as the Hitec HS-422. The mounting pattern involves: 71 +|(% style="width:350px" %)[[image:LSS-Dimensions-01.png]]| 72 +|[[image:LSS-Dimensions-02.png]]| 89 89 90 -|(% style="width:350px" %)[[image:SES-V2 - SES Pattern (4).png||width="200"]]|((( 91 -* 8mm diameter center hole 92 -* Four equally spaced holes located on a 0.656” diameter circle. Sometimes these four holes are threaded 2-56 (imperial), sometimes they are not 93 -* Outer diameter is 1” (2.54cm) 94 -))) 95 -|[[image:SES-V2 - SES Pattern (8).png||width="200"]]|Newer brackets have four additional holes (for a total of eight holes) spaced at 45 degrees to allow for easy mounting. 96 - 97 -(% style="color:inherit; font-family:inherit; font-size:28px" %)Dimensions 98 - 99 - 100 -|(% style="width:350px" %)[[image:LSS - Dimensions 1.png||width="400"]]| 101 -|(% style="width:350px" %)[[image:LSS - Top & Bottom.png||width="400"]]| 102 - 103 - 104 104
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