Hardened wear-resistant screw YS200
our products
Optical injection molding screw YS100
Wear-resistant and corrosion-resistant injection screw YS300
Halogen-free fully coated alloy screw YS400
Halogen-free super wear-resistant, super corrosion-resistant screw YS500
Injection molding alloy barrel
About Us
Dongguan StarFriend Machinery Equipment Co., Ltd.
Dongguan StarFriend Machinery Equipment Co., Ltd. was established in 2012. It is mainly engaged in the production and manufacturing of high-quality screws and barrels for plastic machinery. Since the company was established more than 10 years ago, the StarFriend team has always adhered to its original aspirations and upheld the spirit of pragmatism, integrity, responsibility, innovation, and service. We have professional R&D design, production technology, product control and technical service teams, introduce advanced processing equipment at home and abroad, and cooperate with internationally renowned steel manufacturers and large heat treatment suppliers to strictly select materials and control the heat treatment process.
Explore more2012Year of company establishmentFocus on high-end injection molding screws
2000million euroslast year’s sales
80company employeesHuge professional team
Reasons to choose us
The price is more advantageousUnder the premise of ensuring the same quality, our products are more affordable, which can effectively save your purchasing costs.
Excellent product performanceOur injection molding machine screws have the core advantages of super wear resistance, corrosion resistance, and high temperature resistance. The surface finish reaches R0.2 and the hardness ranges from 58 to 65°. Its performance is comparable to international high-end screws. Each product can accurately meet your needs.
More efficient deliveryCompared with the 30-day delivery time abroad, we have standard parts in stock and the shortest delivery time is only 30 days, which can quickly respond to your needs and ensure production progress.
Strict quality controlWith 20 years of experience in the field of injection molding machine screws, we focus on the mid-to-high-end market and always adhere to high quality standards. The product qualification rate reaches 100%, achieving the dual guarantee of efficiency and quality.
Good customer reputationTE Connectivity, Molex, MLS, Honda, Haitian, Nissei, JSW, Toyo, Fanuc, KraussMaffei, Engel and many other star companies have chosen our products, which fully reflects our strength and reliability.
Handling technical details
Beautiful souvenir
business partners
We look forward to working with you.
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注塑件缩痕解决方案缩痕是注塑件因冷却收缩不均产生的表面缺陷，多出现于…
注塑件缩痕解决方案缩痕是注塑件因冷却收缩不均产生的表面缺陷，多出现于壁厚不均处及筋条根部，会影响产品外观与结构稳定性，需通过工艺调整、模具优化及螺杆优化进行综合改善。1. 核心特征产品表面出现局部凹陷（深度 0.1-0.5 毫米），形态呈圆形、椭圆形或不规则状，触摸时有凹陷感；常见于壁厚过渡区、筋条根部及 BOSS 柱（支柱）周围；在透明 / 浅色产品上更为明显，即便在深色产品上，也会影响表...
选择合适的螺丝材料以便于维护选择合适的螺丝材料对于提高耐用性和使维护更高效至关重要。
不同的操作条件...
螺杆润滑与防护方法润滑和防护对于维护注塑螺杆并延长其使用寿命至关重要。
如果缺乏适当的保养，螺杆更容...
螺杆表面处理对注塑机性能的影响螺杆的表面处理技术对注塑机的性能和使用寿命有显著影响。
常见的表面处理技术包括氮化和PVD涂层，这些处理能够提高螺杆的耐磨性和抗腐蚀性。氮化处理可以提高螺杆表面的硬度和耐磨性，减少材料在高温下的腐蚀。而PVD涂层则能显著提升螺杆的光滑度，降低摩擦系数，从而提升材料的流动性和生产效率。通过选择合适的表面处理技术，螺杆的性能得以增强，能够在长时间高强度工作环境中保持稳...
选择高耐磨螺杆是延长注塑机使用寿命并确保生产稳定性的有效方式。
耐磨性强的螺杆能有效抵抗长时间高负荷工作的磨损，尤其在处理玻璃纤维或高温材料时尤为重要。耐磨螺杆的优势在于能够减少频繁的维护和更换成本，同时提高生产稳定性和产品一致性。例如，采用PVD涂层或氮化处理的螺杆具有更强的抗磨损能力，能在恶劣生产环境下提供更长的使用寿命。此外，高耐磨螺杆还能够有效提升生产效率，减少停机时间，从而优化整体生...