Four Jaw Chuck Assembly SolidWorks Video Tutorial

In this video tutorial we will be modeling a Four Jaw chuck based on 2D assembly drawing. In this video I will explain how to approach such drawings and reading all the dimensions. This is a full length video in which every single concept, basics and tricks will be covered related to Assembly Modeling.

A lathe chuck is used to hold bar stock, to be machined. It is mounted on the head-stock spindle of the lathe. To accommodate different sizes of bar stock, its jaws are required to be adjustable. All the jaws can be adjusted simultaneously, as in the case of a self-centering chuck, by manipulating it from one point, or each jaw may be adjustable independently. The jaws in this design are adjusted by manipulating a screwed pair. The jaws should be so adjusted that the bar stock, held in the chuck, is properly centered and rotates as desired.
You can download 3d model from here :- https://grabcad.com/library/4-four-jaw-chuck-1

For Video Tutorial Click Here

Brain Gear Mechanism Modeling & Simulation in SolidWorks Video Tutorial

Brain Gear mechanism in SolidWorks Video Tutorial

This is Part 11 of Mechanism Video Tutorial Series in SolidWorks. In this video tutorial we will learn how to model & simulate Brain gear mechanism in Solidworks. This is a specific type of model which is mainly used by 3D printing companies to show the capability to manufacture internally assembled components. Brain gear doesn't have any importance mechanically but you should have sound knowledge about gears (specially bevel) to model this. There are many people who never wanted to share the knowledge behind the modeling and working of brain gear, but here i am sharing everything related to this.

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To download the part file please click on this link https://drive.google.com/open?id=1uPFXqFQJ4XliGHgry1aLcmGLPzKw9n1_

For video tutorial :- https://www.youtube.com/watch?v=FItakcTnMlc

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Torsen Differential

The Torsen differential works just like a conventional differential but can lock up if a torque imbalance occurs, the maximum ratio of torque imbalance being defined by the Torque Bias Ratio (TBR). When a Torsen has a 3:1 TBR, that means that one side of the differential can handle up to 75% while the other side would have to only handle 25% of applied torque. During acceleration under asymmetric traction conditions, so long as the higher traction side can handle the higher percentage of applied torque, no relative wheelspin will occur. When the traction difference exceeds the TBR, the slower output side of the differential receives the tractive torque of the faster wheel multiplied by the TBR; any extra torque remaining from applied torque contributes to the angular acceleration of the faster output side of the differential.

Torsen differentials are used in many of the various Audi Quattro models, excluding the A3 & S3 and TT (which have transverse-mounted engines and use Haldex Traction 4WD systems).

 

 

 

 

 

 

 

 

 

Epicyclic differential 3D Model/Simulation

An epicyclic differential uses epicyclic gearing to split and apportion torque asymmetrically between the front and rear axles. An epicyclic differential is at the heart of the Toyota Prius automotive drive train, where it interconnects the engine, motor-generators, and the drive wheels (which have a second differential for splitting torque as usual). It has the advantage of being relatively compact along the length of its axis (that is, the sun gear shaft).

Epicyclic gears are also called planetary gears because the axes of the planet gears revolve around the common axis of the sun and ring gears that they mesh with and roll between. In the image, the yellow shaft carries the sun gear which is almost hidden. The blue gears are called planet gears and the pink gear is the ring gear or annulus.

 

 

Here is Video Tutorial for SolidWorks

 

Axial Vector Engine

A swashplate is rigidly fixed to the CAMDisk, and goes round with it as a unit. Therefore the connecting rods are not fixed to the plate in any way, but push on it with rollers or slipper pads that can glide over the surface of the plate as it turns. The main point of attraction is the use of CAM-Disk in place of Crank shaft to provide reciprocation. Since the Engine is double Reciprocatory with corresponding strokes at both sides, there is no unbalancing of masses i.e. full balanced. Battery Ignition System is used with a spark plug for each cylinder. There are one inlet and one exhaust for each cylinder. Fins thickness is not calculated but 5mm is more than enough. Fuel Type used is Gasoline and the engine can found application in Aerospace as well as Automotive. Engine is mainly a torque converter type rather than speeder.
Specs:-

Cylinders =12 (6 both sides)
Bore Dia = 80mm
Stroke length = 110mm
Engine Type = Axial Vector Type 4 Stroke
Crank Mechanism = CAM Disk Mechanism
Engine Capacity = 26500cc/1618ci

This model is also winner for CADD Centre Training Services Facebook project contest with more than 1000 votes and stood first in more than 590 entries. Also this is my favorite model.

Cam Follower Mechanism Drawings & Video Tutorial

Here is the 2D Drawing for the CAM Follower Mechanism we had drawn. The whole assembly is drawn & animated in SolidWorks. For Video tutorial you can visit our Youtube links.

Part 1. https://www.youtube.com/watch?v=GFmVI8kwXAs

Part 2. https://www.youtube.com/watch?v=XCJO9HghzaE

Part 3. https://www.youtube.com/watch?v=kQWHI6fiFRw

Part 4. https://www.youtube.com/watch?v=g7MJF34TSOA