Qualitative indicators of wood material the wood of coniferous and hardwoods has a complex of properties, the level of indices of which is determined by.
Technological properties technological properties express the ability of a material to perceive technological operations performed to change its shape,.
Basics of analysis of mechanisms after studying chapter 1, the bachelor must: know - basic concepts and positions of the discipline theory of mechanisms.
Classification of kinematic pairs one of the main characteristic properties of kinematic pairs is the number of the simplest relative motions, which are.
Connections basic concepts in the mechanisms, individual parts for performing their functions are connected in a certain way to each other, forming.
Key connections keyway connections are designed to transfer torque from the shaft to the hub of the component mounted on it and vice versa. the joints.
Wave transmissions wave transmission is based on the principle of converting the motion parameters due to wave deformation of one of the links. the most.
An example of determining the height of a pyramid and the angle between its faces in the example shown in fig. 6.5 the pyramid whose base and faces are.
Structure of building materials and products by the structure or internal structure of building materials, as well as other physical bodies, we mean the.
Basic regularities in the optimal structures of the claim under the influence of a variety of combinations of microparticles in space, or a complex of.
Slide bearings in sliding bearings, the bearing surface of the shaft 1 or the axis slides over the working surface of the bearing 2 (fig. 4.77, a). in.
Friction gears with flexible coupling friction gears transmissions in which the movement from the leading link to the slave is transmitted by friction.
Bases of interchangeability and accuracy of details manufacturing after studying chapter 3, the bachelor must: know - basic terms and definitions; - the.
Bend basic concepts the bend is the deformation , associated with the curvature of the axis of the beam (or a change in its curvature). a straight beam.
Machine dynamics of great importance in the design of machines and mechanisms is the calculation of the dynamics of the structure and its elements. when.
Stretching and compression determination of normal force central stretching (compression) is one of the simplest types of loading. the method of.
Influence of various factors on fatigue resistance stress concentration. under the influence of variable loads, stress concentration reduces the.
Screw-nut transfers general information. screw-nut transfers serve to convert rotary motion into translational motion. they have found wide application.
Forming and sealing of products from mixture freshly prepared mixture (mass) has a certain workability, which is expressed in its real ability to.
Congruence law of properties the law of congruence establishes that, with optimal structures between the properties of the binder and the conglomerate.