Abstract:
The feed system (30) for a honing machine (10) provides a capability to dynamically correct in real time errors in bore size inferred arising from variations in feed force, and a method of operation of the same. The system (10) allows a user to select between rate and force controlled honing modes, which provides one or more of the advantages of both modes. The system provides capabilities for automatic rapid automatic bore wall detection, compensation for elasticity of elements of the feed system (30) and honing tool (14), and automatic tool protection. The system is automatically operable using feed force, feed rate and positional information for honing a work piece (20) to one or more target parameters, such as one or more in-process sizes and a final size.
Abstract:
A servo stroking apparatus and system (10) for honing wherein the cam stroking motion follows a cam profile which produces a finite jerk profile for reducing machine vibration and optimizing one or more honing parameters. The cam profile can be selected for example from a simple harmonic cam profile, a cycloidal profile, a modified trapezoidal profile, apolynomial profile, and a modified sine profile, or a mix of cam profiles. The servocontrolled stroker mechanism can include for instance a ball screw mechanis (36), a linearmotor (40), a fluid cylinder, a chain drive or a belt drive. One or more other servo controlled aspects of the honing operation can be synchronized with the servo controlled stroking operation, such as the, rotation of the honing tool.
Abstract:
A method for obtaining quantitative compositional information from a multilayer web containing a highly light-scattering component. The compositional information is obtained by measuring and analyzing the transmitted or diffusely reflected infrared spectrum. The method allows for separately determining the moisture content of hydrophobic (non-hydrogen bonding) layers and hydrophilic (hydrogen bonding) layers of multilayer webs. The separate measurements of moisture content can be made simultaneously in moving webs having both types of layers present. The method is used to determine further compositional information such as the thickness of the individual support and gelatin containing layers, plasticizer content, retained solvents content, and the presence of other components in webs, especially photographic webs.