Electronic Component Mounting Machine Position Control
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Solution Overview
Problem
The variation in length from the upper end of the carrier tape to the lower end face of the component main body of radial lead components causes errors when held by an electronic component mounting machine's component holding section.
Innovation Solution
An electronic component mounting machine with a component supply device that feeds carrier tapes with radial lead components and a component transfer device equipped with a position control section, which calculates the position of the component holding section based on actual measurements of the component main body's length from the upper end to the lower end and the length to the center of feed holes, ensuring accurate positioning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the component holding section uses a fixed position to hold the radial lead component, then the device complexity is reduced, but the manufacturing precision deteriorates due to variation in component length
Solution Approach 1:
The component holding section's position is made dynamically adjustable based on the actual measured length of the radial lead component. The position control section calculates and adjusts the holding position to accommodate variations in component length, transforming a static fixed-position system into a dynamic adaptive system that maintains precision without excessive complexity
Solution Approach 2:
The system changes the positional parameter of the component holding section based on measured component length data. By adjusting the holding position parameter according to actual component dimensions, the system achieves precise mounting while keeping the overall device structure relatively simple
2Manufacturing precision
If the position control section performs calculations based on actual measurements, then the manufacturing precision is improved, but the device complexity increases
Solution Approach 1:
The position control section implements a feedback mechanism where the actual measured length of the radial lead component is used to adjust the component holding section's position. This feedback loop ensures high manufacturing precision by continuously adapting to component variations without requiring complex mechanical adjustments
Solution Approach 2:
The system replaces complex mechanical adjustment mechanisms with a computational approach. The position control section uses calculations based on measured data to determine holding positions, substituting mechanical complexity with electronic control and mathematical computation that achieves the same precision goal
Data Source
AI summary
An electronic component mounting machine including a component supply device to supply a radial lead component to a supply position by feeding a carrier tape holding multiple radial lead components; and a component transfer device to collect the radial lead component supplied to the supply position and mount the radial lead component to a predetermined mounting position. The component supply device includes a locking section engageable with the feed holes of the carrier tape, and a tape feed section for feeding the carrier tape by sliding the locking section in engagement with the feed hole. The component transfer device includes a component holding section to hold the component main body of the radial lead component held by the carrier tape, and a position control section to control the position of the component holding section when holding the component main body.