Ultrasonic measurement of clamping force for injection molding machine
-
Peng Zhao
,
Yao Zhao
Abstract
An online and feasible clamping force measurement method is important in the injection molding process and equipment. Based on the sono-elasticity theory, an in situ clamping force measurement method using ultrasonic technology is proposed in this paper. A mathematical model is established to describe the relationship between the ultrasonic propagation time, mold thickness, and clamping force. A series of experiments are performed to verify the proposed method. Experimental findings show that the measurement results of the proposed method agree well with those of the magnetic enclosed-type clamping force tester method, with difference squares less than 2 (MPa)2 and errors bars less than 0.7 MPa. The ultrasonic method can be applied in molds of different thickness, injection molding machines of different clamping scales, and large-scale injection cycles. The proposed method offers advantages of being highly accurate, highly stable, simple, feasible, non-destructive, and low-cost, providing significant application prospects in the injection molding industry.
Funding source: National Natural Science Foundation Council of China
Award Identifier / Grant number: 51875519
Award Identifier / Grant number: 51821093
Award Identifier / Grant number: 51635006
Funding source: Zhejiang Provincial Natural Science Foundation of China
Award Identifier / Grant number: LZ18E050002
Funding statement: The authors would like to acknowledge the financial support of the National Natural Science Foundation Council of China (No. 51875519, No. 51821093 and No. 51635006), and the Zhejiang Provincial Natural Science Foundation of China (No. LZ18E050002).
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Supplementary Material
The online version of this article offers supplementary material (https://doi.org/10.1515/polyeng-2018-0268).
©2019 Walter de Gruyter GmbH, Berlin/Boston
Articles in the same Issue
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- Material properties
- Chemical and biological effects of low pressure N2-O2 plasma setup on polymeric materials
- Effect of aging conditions on the mechanical properties and antimicrobial activity of elastomer nanocomposites
- Creep and dynamic mechanical behavior of cross-linked polyvinyl alcohol reinforced with cotton fiber laminate composites
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- Preparation of graphene-based compounds with improved dispersion by a two-stage production process
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- Implementation of partial slip boundary conditions in an open-source finite-volume-based computational library
- Ultrasonic measurement of clamping force for injection molding machine
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Articles in the same Issue
- Frontmatter
- Material properties
- Chemical and biological effects of low pressure N2-O2 plasma setup on polymeric materials
- Effect of aging conditions on the mechanical properties and antimicrobial activity of elastomer nanocomposites
- Creep and dynamic mechanical behavior of cross-linked polyvinyl alcohol reinforced with cotton fiber laminate composites
- Preparation and assembly
- Foam rubber from centrifuged and creamed latex
- Preparation and properties of multi-walled carbon nanotubes and eggshell dual-modified polycaprolactone composite scaffold
- Effectiveness of a coagulation step and polyester support on blend polyvinylchloride membrane formation and performance
- Novel proton exchange membranes based on PVC for microbial fuel cells (MFCs)
- Preparation of graphene-based compounds with improved dispersion by a two-stage production process
- Engineering and processing
- Implementation of partial slip boundary conditions in an open-source finite-volume-based computational library
- Ultrasonic measurement of clamping force for injection molding machine
- Experimental and simulation studies on the mold replicability in the thermoforming process
