Motion analysis of progressive/transfer die stamping for cycle time reduction

级进模/传递模冲压的运动分析，以缩短周期时间

• 批准号: 492018-2015
• 负责人: Feng, HsiYung(Steve)
• 金额: $ 1.82万
• 依托单位: University of British Columbia
• 依托单位国家: 加拿大
• 项目类别: Engage Grants Program
• 财政年份: 2015
• 资助国家: 加拿大
• 起止时间: 2015-01-01 至 2016-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=587164
• 关键词: Motion; analysis; progressive; transfer; die

Longterm Technology Services Inc. is an independent consulting firm that works closely with the die/mold and tooling manufacturers to use the Siemens NX CAD/CAM/CAE software to improve their productivity. The company recently created an add-on software tool to couple with the existing NX Progressive Die Wizard. The add-on software tool allows the progressive or transfer die modeled by the NX Progressive Die Wizard to be validated via computer simulation. This significantly reduces the validation time using physical prototypes. Nonetheless, further development is still needed to improve the overall process efficiency. In particular, as collision between the sheet metal stock and the stamping tooling is clearly not preferable, overly conservative feeding speed of the sheet metal stock is often employed. Due to the complexity of the successive stamping operations, it is very challenging to identify the optimal feeding speed. A new motion analysis module as part of the existing software tool will be developed in this project to maximize the feeding speed of the sheet metal stock with the explicit objective to reduce the overall progressive/transfer die stamping cycle time. The proposed project aims to improve the efficiency and ensure the reliability of progressive/transfer die stamping via kinematic motion analysis and simulation. A kinematic model of the stamping press with all of its designed tooling and feeding mechanism is to be constructed first. It is then used to analyze and simulate the movement of the sheet metal stock along the successive stamping stations. In particular, the coordination of the stamping stroke of the stamping press and the continual motion of the feeding mechanism is to be analyzed in detail and optimized for cycle time reduction. The enhanced software tool will directly benefit Longterm Technology Service as well as the Canadian die/mold and tooling manufacturers. Canada has a sizable automobile stamping industry. The prospective development will thus have a huge potential economic impact and will definitely help the Canadian manufacturers to compete globally.

技术服务公司Siemens NX是一家独立的咨询公司，与模具和工具制造商密切合作，使用Siemens NX CAD/CAM/CAE软件来提高他们的生产力。该公司最近创建了一个附加软件工具，与现有的NX级进模向导相结合。附加软件工具允许通过计算机模拟验证NX连续模向导建模的连续模或传递模。这大大减少了使用物理原型的验证时间。尽管如此，仍需要进一步开发以提高整体工艺效率。特别地，由于金属板材和冲压工具之间的碰撞显然不是优选的，因此经常采用金属板材的过于保守的进给速度。由于连续冲压操作的复杂性，确定最佳进给速度非常具有挑战性。一个新的运动分析模块作为现有软件工具的一部分，将在本项目中开发，以最大限度地提高金属板的进给速度 库存的明确目标是减少整体连续/转移模具冲压周期时间。 本研究旨在透过运动分析与模拟，以提高连续/传递模冲压的效率，并确保其可靠性。首先建立了冲压机的运动学模型，包括所有设计的模具和进给机构。然后，它被用来分析和模拟运动的金属板材股票沿着连续冲压站。特别是，冲压机的冲压行程和进给机构的连续运动的协调是要详细分析和优化，以减少周期时间。增强的软件工具将直接有利于长期技术服务以及加拿大模具和工具制造商。加拿大拥有相当规模的汽车冲压工业。因此，未来的发展将具有巨大的经济潜力。 这将有助于加拿大制造商在全球范围内竞争。