Nnlifting eye bolt calculations filetype pdf

A safer lifting ring from excel for symons ft head assemblies. Loads should always be applied to eye bolts in the plane of the eye, not at an angle to this plane. For this reason, use of angular lifts should be avoided whenever possible. Before installation and at every use, visually inspect rud lifting points, with particular attention to any evidence.

A hook may be engaged directly into the eye of a dynamo eyebolt or the link of an eyebolt with link. Use shims but do not machine the collar or over tighten to achieve this. Manufactured exclusively from australian made steel. Always apply load to eye bolt in the plane of the eye.

The working load limits for regular forged eye bolts can be found on our forged eye bolt working load limits page working load limits for eye bolts are based on a straight vertical lift in a gradually increasing manner. For angular lifts, adjust working load as shown above. Pan suns philosophy is to bring its customers the highest quality of parts and service possible. For example, when using a crosby eye bolt with a tight sling angle of 30 degrees the tension applied to the eye bolts during the lift will be two times the weight of the load being lifted. An angular lift places additional stress on an eye bolt above that of the load to be hoisted. A wide variety of lifting eye bolt options are available to you, there are 972 suppliers who sells lifting eye bolt on, mainly located in asia. To ensure the correct position, suitable washers must be used. Thread the eye bolt into the load until the shoulder is flush and securely tightened against the. We all know how important it is to provide suitable suspensions points to ensure a safe and smooth lifting procedure. The holes are on the top of the part and the eyes would all be lifting by chains in the vertical postion. Regular, shoulder and screw eye bolts have a hot dip galvanized finish and the machinery eye bolts are selfcolored with a light rust preventative oil applied.

The lifting points must be positioned on the load in such a way that movement is avoided during lifting. Yasorn 5pack stainless steel ring lifting expansion. When eye bolts are used improperly, they can be damaged or broken leading to catastrophic accidents and injuries even when performing fairly basic lifts. A highly corrosion resistant grade of stainless steel. Misumi offers free cad download, short lead times, competitive pricing, and no minimum order quantity. Bolt strength calculation for lifting engineeringclicks. Always use shoulder nut eye bolts for angular lifts. Ensure the tapped hole for a screw eye bolt body bolts has a minimum depth of oneandahalf times the bolt diameter. For single leg lifts, the lifting point should be vertically above the centre of gravity of the load. When using lifting slings of two or more legs, make sure the loads in the legs are calculated using the. When using lifting slings of two or more legs make sure the forces in the leg are calculated. Thickness of spacers must exceed this distance between the bottom of the load and the last thread of the eye bolt.

I would like some help calculating the lifting capacity of a partially engaged lifting eye bolt. Hello i have a injection mold that is being lifted up by an eye bolt that is mounted on a bridge to locate the eye bolt around a hydraulic cylinder. Product information report eye bolts lawson products, inc. Zxhao m8 ring lifting expansion eyebolt bolt screw with ring 304 stainless steel m8x60 5pcs uxcell m12 x 120mm 304 stainless steel sleeve anchor concrete expansion eye bolt increway eye bolt fastener, 4pack m8 x 80mm 304 stainless steel ring lifting expansion eyebolt bolt with eye ring, screw closed hook anchor bolt. Find details of companies offering lifting eye bolt at best price. Inspect and clean the eye bolt threads and the hole. Buy highquality products from the eye bolts lifting eye bolt din580industrial standard. Threaded rod are tig argon welded to the casting eye. To learn more about the heavy duty eye bolts we have for sale, browse our online catalog above. Grade8 eye bolts offer up to 4 times higher lifting capacity in certain applications. Reference should be made to relevant standards and other statutory regulations. Product information report eye bolts eye bolt usage shoulder eye bolts are recommended whenever possible.

Scaffold restraint tie and free nylon pluga nylon plug and zinc plated eyebolt suitable for use in concrete, masonry and most natural stone. How to calculate lifting capacity of a partially engaged. Manufactured using swivel hoist rings, the new excel eye bolts are certified to handle the special loads of a head and shaft as they are maneuvered for various maintenance procedures. Bolt on lifting point vrs ee bolt user instructions part 3 inspection criteria concerning paragraphs 2 and 15. Select the proper size swivel hoist ring to allow for load in sling leg. Inspections should be carried out by competent persons only. Always apply load to eye bolt in the plane of the eye, not at an angle. Never exceed the capacity of the eyebolt see table 1. This, with our extensive capabilities, has made pan sun hardware pte ltd an industry leader. A sling eye should never be used over a hook or pin with a body diameter larger that the natural width of the eye. Other surface treatments are available on request yellow. We have a part that weighs approx 1,100 lbs and has three threaded m12x1. Waterloo road cleveland, ohio 441103898 usa lifting solutions group lifting solutions lifting solutions certified shacklelok shacklestyle hoist rings shacklelok combines the strength of a hoist ring with the versatility of a shackle.

Collar eyebolts must be fitted with a shackle or link to accept. White zincplated lifting eye bolts and lifting eye nuts minimum 8 microns and hotdip galvanised lifting eye bolts and lifting eye nuts minimum 78 microns are also ready for immediate delivery. Check that the hole thread and the eye bolt thread are compatible. Please ensure that the safety instructions have been fully read and understood before initial use of the rs bolton lifting point. Install the shoulder at right angles to the axis of the hole. The load on each hoist ring depends on the angles and should be calculated using the following. Galvanized shoulder eye bolts 14 inch 34 inch diameter video dimensions are in inches unless otherwise noted. Eye bolts are some of the most critical pieces of lifting. Understanding eye bolts 5 factors to consider bishop. It is important to check the surface area around the threaded hole which the eye bolt collar will sit on to ensure it is clean, free from deformation, cracking or any other problem that may restrict the. Therefore, all of the holding strength of the machinery eye bolt is on the threads.

Pan sun hardware pte ltd, established in 1982, one of the largest stocking and wholesale distributor of fasteners business in singapore. Introducing the new excel eye bolt specifically engineered for the symons 7ft cone crusher. Metric coarse eye bolt forged no shoulder stainless steel gradea4 din444a. Nonmachined lifting eye bolts and lifting eye nuts are usually supplied as semifinished forged pieces sandblasted. At the same time, the eye bolt itself has been reduced to 25% of its original capacity. There is concern that the 4 bolts in the bridge may shear due to the side load caused by the direction the mold is being lifted. On the other hand, the eye should always be used on a hook or pin with at least the. The working load limit and manufacturers stamp should be clearly visible. Rated shoulder pattern eye bolt, forged from special grade c1030 carbon steel 34 thread. For two leg lifts, the lifting points must be equidistant toor above the centre of gravity of the load. Drawings iges, dxf and step, product information and other support material can be downloaded from.

Forged eye nuts g400 forged steel quenched and tempered. Grade 8 lifting eye bolts australia townley drop forge. China lg supply our these lifting eye bolts are strong and robust, and correspond to standard sheet din580. Drill and tap the load to the correct sizes to a minimum depth of onehalf the eye bolt size beyond the shank length of the machinery eye bolt. If an angular lift is required, a properly seated shoulder pattern eye bolt must be used. Screw the eye bolt on all the way down and properly seat. Tapped with standard unc class 2 threads after galvanizing. Metric thread dynamo eye bolts range from 100kg to 3200kg high tensile dynamo eye bolts, generally to bs4278 table 3 1968 and 1984 with course thread m6 to m30. There are several factors that must be considered when choosing and installing eye bolts. Din 529 a anchor bolts stone bolt din 529 b anchor bolts stone bolt. Bolt depot metric machinery eye bolt working load limits. Ensure compatibility of bolt thread and tapped hole. The larger internal eye diameter offers a versatile alternative to standard grade 4 eyebolts.

Shoulder nut eye bolt installation for angular loading. The working load limits on this page apply only to machinery eye bolts and machinery eye bolts with shoulders. Metric thread dynamo eye bolts to bs4278 range from. Eye bolts by mark great quality product 5 see all buying options add to my list. The threaded shank must protrude through the load sufficiently to allow full engagement of the nut. If eye bolts are to be utilized, rig crews were instructed to include the lifting eye bolts on the lifting inspection registers and routine maintenance inspections. Always lift load with steady, even pull do not jerk. Australian lifting centre pty ltd sable engineering. Fatigue rated at 112 times work load limit for 20,000 cycles. The most common stainless steel for general hardware use. Eye bolts are one of the simplest and yet most often misused pieces of rigging equipment.