Profile Machining Center Clamping Device
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Solution Overview
Problem
Profile machining centers with slewing ring units face reduced flexibility due to limitations in clamping profiles, particularly for sensitive or uniquely shaped profiles, where conventional clamping methods risk damage or inadequate holding.
Innovation Solution
A profile machining center with a slewing ring unit and clamping device featuring support rollers with immovable and adjustable axes of rotation, allowing for precise positioning and force application to securely hold profiles in any orientation, utilizing a combination of horizontally and vertically displaceable rollers and a control unit for targeted clamping.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional clamping devices are used to hold profiles, then profiles can be clamped firmly in specific positions, but the flexibility of the slewing ring unit is reduced and sensitive profiles risk damage
Solution Approach 1:
The clamping device incorporates movable tensioning rollers with adjustable positions along the profile, allowing dynamic adaptation to different profile shapes and sizes. The rollers can be displaced horizontally and vertically to accommodate various orientations, enabling the slewing ring unit to process profiles in any position without requiring fixed clamping points, thus maintaining flexibility while ensuring reliable clamping.
Solution Approach 2:
The clamping force and roller positions are made adjustable through controlled displacement mechanisms. By changing the position parameters of the tensioning rollers and adjusting the clamping force magnitude, the system can adapt to different profile geometries and sensitivity requirements, resolving the contradiction between firm clamping and flexibility.
2Reliability
If specially designed clamping devices with fittings for specific profiles are used, then profiles can be held securely, but the device complexity increases and painted or coated profiles risk damage
Solution Approach 1:
The clamping device is designed as a universal system with tensioning rollers that can be positioned and oriented to accommodate various profile types without requiring profile-specific fittings. The same basic clamping mechanism works for different profile geometries by adjusting roller positions and orientations, reducing device complexity while maintaining secure holding capability.
Solution Approach 2:
Instead of designing different physical fittings for different profiles, the system changes operational parameters (roller positions, orientations, and clamping forces) to adapt to various profile types. This parameter-based adaptation eliminates the need for complex specialized fittings while ensuring secure holding.
3Reliability
If clamping forces are applied to hold profiles firmly, then profiles are secured for machining, but sensitive parts like freely protruding legs may be damaged
Solution Approach 1:
The clamping force is applied locally at specific points on the profile through strategically positioned tensioning rollers rather than uniformly across the entire profile. The rollers can be positioned to clamp at robust sections while leaving sensitive areas like protruding legs untouched, ensuring stable positioning without causing damage.
Solution Approach 2:
The tensioning rollers act as intermediaries between the clamping mechanism and the profile. By positioning these rollers at appropriate locations on the profile, the clamping force is transmitted through intermediate contact points that are structurally sound, preventing direct transmission of damaging forces to sensitive areas while still achieving secure holding.
Data Source
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AI summary
The profile processing center (10) has a rotating assembly unit (12) with multiple operating tools (14a,14b,14c) and a clamping unit for clamping profiles. The clamping unit has a clamping roller with a horizontal arranged rotational axis and another clamping roller with vertically arranged rotational axis. The former clamping roller is adjusted relative to a machine frame (16) both in horizontal and in vertical directions. The latter clamping roller is adjusted relative to the machine frame in horizontal direction.