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提高聚氨酯密封胶的涂布效率和涂布质量

  • 发布时间 : 2023-2-3 20:04:47
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(Summary description)Customized SILICONE STRUCTURAL SEALANT from China manufacturer refers to the adhesive with high strength, can bear large load, aging resistance, fatigue resistance and corrosion resistance, and has stable performance within the expected life. It is suitable for bearing the bonding of strong structural parts. Non structural adhesive has low strength and poor durability. It can only be used for bonding, sealing and fixing of ordinary and temporary properties, and cannot be used for structural adhesive bonding. NEUTRAL SILICONE WETHERPROOF SEALANT from China manufacturer is a structural adhesive with waterproof function. Silicone glue refers to the adhesive based on silicone rubber. According to different functions, it can be divided into structural adhesive, potting adhesive, sealant, thermal conductive adhesive, flame retardant adhesive and so on.

提高聚氨酯密封胶的涂布效率和涂布质量

(Summary description)Customized SILICONE STRUCTURAL SEALANT from China manufacturer refers to the adhesive with high strength, can bear large load, aging resistance, fatigue resistance and corrosion resistance, and has stable performance within the expected life. It is suitable for bearing the bonding of strong structural parts. Non structural adhesive has low strength and poor durability. It can only be used for bonding, sealing and fixing of ordinary and temporary properties, and cannot be used for structural adhesive bonding. NEUTRAL SILICONE WETHERPROOF SEALANT from China manufacturer is a structural adhesive with waterproof function. Silicone glue refers to the adhesive based on silicone rubber. According to different functions, it can be divided into structural adhesive, potting adhesive, sealant, thermal conductive adhesive, flame retardant adhesive and so on.

  • 发布时间 : 2023-2-3 20:04:47
  • Views:
Information

       为提高聚氨酯密封胶的涂布效率和涂市质量,作者研制了聚氨酯密封胶靠模涂布机。本文介绍了"L6模涂布机的工作原理及涂布工艺情况。

       随着机械工业的迅速发展,聚氨酯密封胶在机械设备中的应用越来越广泛。为了提高聚氨酯密封胶的涂布效率和涂布质量,各国相继研究制造各种机械化自动涂布装置,以适应机械自动化生产对聚氨酯密封胶涂布的需要。

       在美国、日本等先进工业国家为适应对各种类、生产批量、工艺条件的工件涂布不同的胶种,相应的涂布设备在不断研制并逐步发展成系列化。由于各种涂布设备在生产实际中的应用,不但大大提高了涂布效率和涂布质量,同时还导致聚氨酯密封胶的生产和使用量骤增,从而促进了新胶种的研制和粘接技术的发展。

       涂布设备大致可分为简单的手工涂布工具和机械化自动涂布装置两大类。对于机械化自动涂布装置来说,除了共同具备的供胶泵实现供胶自动化这一类之外,各种涂布装置的区分主要在于对涂布喷头运动轨迹的控制方式。一般有以下几种典型类型:

       1.靠模导向型:涂胶喷咀喷胶轨迹由仿型靠模确定。

       2.光电跟踪型:以光电跟踪器识别给定图形,控制涂布喷头运动。

       3.微机控制型:以微处理机根据程序指令伺服机构实际对徐胶喷头的运动控制。

       4.网板印刷型:以网板粘胶直接压印于工件表面。

       5.各类专用型:针对各种特殊工件进行表面涂布。

       由于靠模导向型涂布机具有自动化程度高,动作准确、可靠、通用性强等优点,因而在实际应用中得到广泛的应用。

       目前,国内使用的涂布机械尚处于简易的手工涂布阶段,只可满足维修、小批量生产装配的涂布需要,如我所研制的JDB-I型简易涂布机,长江机械厂生产的GN- 4型涂布机等均属此类型。由于国内尚没有自动化涂布设备,致使大批量生产的流水线上聚氨酯密封胶而使用受到限制,也给聚氨酯密封胶的推广应用带来一定的困难。据了解,目前国内许多用胶单位迫切要求研制提供实用的.=动化涂布设备,以改变目前我国涂布设备的落后状况。为此,根据市场需要,我们研制成功聚氨酯密封胶靠模涂布机及对涂布工艺进行试验研究。www.sdyuantai.com

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