Combing Cylinder Balance Weight Segmentation
Solution Overview
Problem
Combing cylinders face increased vibration and inertia due to the lack of optimal balance weight selection and complex replacement processes, which affect the quality of slivers produced and the reliability of comber operations.
Innovation Solution
A combing cylinder design where the base and balance weight are directly attached to the cylinder shaft, allowing independent replacement of the balance weight without detaching the base, reducing errors in distance and inertia, and simplifying the replacement process to avoid damaging comb needles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the base and balance weight are attached together as a single unit, then the structural simplicity is improved, but the ease of replacing balance weight deteriorates
Solution Approach 1:
The combing cylinder is divided into three independent attachable components: the base, the balance weight, and the combing segment. This segmentation allows each component to be replaced independently, enabling easy replacement of the balance weight without removing the base from the cylinder shaft, while maintaining overall structural simplicity through standardized attachment interfaces.
2Ease of operation
If mounting bosses are provided between the combing segment and cylinder shaft, then the ease of replacing combing segment is improved, but the manufacturing precision deteriorates
Solution Approach 1:
The combing segment is designed as a separate detachable component that can be replaced independently through the mounting bosses. The mounting bosses provide standardized attachment points that enable easy replacement while maintaining precise positioning through the direct attachment of the base to the cylinder shaft, eliminating cumulative errors.
3Manufacturing precision
If the base is directly attached to the cylinder shaft, then the manufacturing precision is improved, but the ease of replacing balance weight deteriorates
Solution Approach 1:
The balance weight is designed as a separate detachable component that can be replaced independently. The base is directly attached to the cylinder shaft to maintain manufacturing precision, while the balance weight is attached to the base through separate attachment means, allowing easy replacement without affecting the precise positioning of the base.
4Reliability
If multiple bolts are used to secure the balance weight and base together, then the reliability is improved, but the device complexity increases
Solution Approach 1:
The attachment system is segmented into separate attachment mechanisms: one for securing the base to the cylinder shaft and another for securing the balance weight to the base. This segmentation allows for reliable multi-bolt connections at each interface while maintaining overall simplicity through standardized, independent attachment procedures.
Data Source
Figure 1~3
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AI summary
A combing cylinder for a comber includes a cylinder shaft (12) having an outer circumferential surface (12b) and threaded bores (12a). The combing cylinder includes a base (14) directly attached to the cylinder shaft. The base includes an outer circumferential surface (14d) , an inner surface (14a) contacting the outer circumferential surface of the cylinder shaft, and threaded bores (14b) formed in the inner surface. The combing cylinder includes combing needles (13) supported on the outer circumferential surface of the base and a balance weight (15) directly attached to part of the cylinder shaft that is opposite from the part where the base is attached. The combing cylinder includes balance weight fixing bolts (17) screwed to the threaded bores of the cylinder shaft to secure the balance weight to the cylinder shaft and base fixing bolts (19) extending through the cylinder shaft and screwed to the threaded bores of the base to secure the base to the cylinder shaft. Each base fixing bolt includes a head (19a), and the cylinder shaft includes in it a seat (20c) that receives the head.