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Victory is Mine

Valley Forge Total Solutions方法可以节省矿业运营数百万

Mills are a crucial part of mining operations, but also a source of concentrated vibration that can wreak havoc with bolted joints. Most mills are expected to run continuously for extended periods—often months at a time—until scheduled downtime for maintenance. Depending on the mine, some mills can even require a total liner changeout every three months. It’s an accepted fact of life for a punishing environment, in which hardened material is rotated and smashed by hundreds of steel grinding balls within the mill shell, which works much like a large cement mixer. Material is constantly falling 40 feet within the shell, crashing into the charge and mill liners fastened to the inside of the mill. It is here, in the bolted joints that fasten each mill liner to the mill shell, where bolt loading can vary widely.Valley Forge Clarkester™测试仪

因此,在轧机的螺栓接头中使用的紧固件至关重要的是,在整个延长的服务期间,在整个延长的在线期间保持适当的张力。不正确的螺栓张紧需要磨机停止可以容易地增加数万美元到矿井的运营成本。在挖掘黄金等贵金属,这些成本可以迅速向数百万迅速气球。

在这种情况下,拥有螺栓制造商具有先天性理解,对联合紧张的能力以及提供分析,建议和支持的能力至关重要。亚博88官网,该工程师和用负荷指示技术制造紧固件,通过多方面的解决方案为客户提供能力和专业知识:

  • 为更好的螺栓载荷精度提供扭矩张紧验证设备
  • 提供地面支持
  • Creating an application-specific blend of bolt materials
  • Using exclusive Wi-Fi technology to hone bolt performance

Understanding the Mill Reline

A grasp of the relining process is crucial to understanding the total solution approach provided by Valley Forge.

每个磨机衬里用多个螺栓连接到磨机的内部。每个螺栓通过两部分过程固定到位。首先,使用冲击扳手将部分地设置在接头中的螺栓。然后,扭矩倍增器用于最终收紧。每个Reline都需要数百个螺栓。

After all liners and bolts are installed and initially torqued, the mill is turned on to run for a predetermined period of time, after which the bolts are retorqued to accommodate any shift during usage. The amount of time to wait between initial install and retorquing is an important factor in prolonging fastener life. In some instances, mine operators wait several days before retorquing. Valley Forge products and equipment can reveal what period of time is optimal.

山谷锻造解决方案

矿山可以使用Valley Forge Clarkester™测试仪校准他们的扭矩扳手以螺栓张力,大大提高张力精度at installation. Purchase of the tester includes training from Valley Forge on the machine’s proper use.

按要求,山谷锻造技术人员可用前往网站以监督衬里更换和他lp ensure it is performed properly.

Valley Forge Load Indicating Fasteners measure and display tension from within the bolted joint, accurate to +/-5% of true clamp load (compliant with ASTM 52 standards).

Valley Forge可以通过为各个应用程序所需的制造螺栓创建特定于应用程序的公式来增加延展性。

Valley Forge SPC4™紧固件和SPC4 702系列无线传感器将张力信息中继回到数据记录站,允许张力以原位读取.

结果

The ability to read tension in situ means mine operators可以确定螺栓何时失去紧张,即使是初始安装和初步启动期后的几个小时即使是几小时。这些信息可以彻底改变矿山的retorquing方法。安装后不三到四天,螺栓可以令人惊讶地重新旋转,有些需要在安装两到四小时内重新装修。

When mine operators adjust their retorquing schedule according to information gleaned from Valley Forge products, the result can be incredible. One mine that had been experiencing $1.6 million in downtime each month related to improper tensioning has now gone more than two years without any tensioning issues (saving a staggering $38 million over that time). Savings continue to grow each month.

显然,个人矿山的数量将拯救取决于螺栓张力目前耗费多大造成的。然而,清楚的是,谷锐利负载指示紧固件和相关产品,以及公司的亚博888官方最新版下载技术支持,可以帮助矿井运营商节省时间和金钱。亚博足彩在哪里下载

About Valley Forge & Bolt Co.

亚博88官网Valley Forge&Bolt MFG。Co.是一家标准和定制紧固件的制造商,自豪地生产超过40年。该公司是控制螺栓的领导者,其负荷指示紧固件技术提供无与伦比的品质,非凡的性能和持久的可靠性。有关技术优化螺栓连接的完整性的更多信息,请致电800.832.6587或访问vfbolts.com.

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创新的螺栓技术
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Load Indicating Liner Bolts Brochure
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创新的螺栓技术
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Maxbolt™ Knowledge continuously measures and
显示螺栓或螺柱中的张力量。
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Maxbolt™ 配备的紧固件显示负载
mechanical dial mounted directly into the fastener
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Specifications
所有型号均显示螺栓钳载荷,精度为约5%。
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规格表
SPC4™ equipped fasteners require the use of an external load reader device to attach to the fastener and display load as a percentage of total capacity.
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解决扭矩张紧的谜团。
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重要公告

为了应对最近的公共卫生问题和多个关于我们履行客户订单能力的多项要求,目前目前尚未预见冠状病毒(Covid-19)的任何负面影响。

All parts manufactured at Valley Forge are made with U.S. domestic steel and our raw material supply for this and other materials / components has not been affected. We will be maintaining continuous communication with our suppliers and will maintain an ongoing dialogue to ensure there are no disruptions in our supply chain.

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