• Spheres made from Agate, Rock, Jasper, Fiber Optics and ...

    for Larger Image. SP300c This is a unique sphere ground from an Agate Geode from Uruguay. This sphere has a fantastic mix of different gray colors in a unique color scheme, exceptional banding, crystal area and even semi transparent. This sphere is 2 1/8" in diameter and has a very nice polish. Just a gorgeous sphere!

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  • Calculate and Select Ball Mill Ball Size for Optimum Grinding

    Aug 02, 2013 · Based on his work, this formula can be derived for ball diameter sizing and selection: Dm <= 6 (log dk) * d^ where D m = the diameter of the singlesized balls in = the diameter of the largest chunks of ore in the mill feed in mm. dk = the P90 or fineness of the finished product in microns (um)with this the finished product is ...

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  • Gemstone Spheres – The Sphere Maker

    The sphere is absolutely gorgeous and a rare collectors' item. It has about 2″ diameter (52 mm) and it weighs about oz (about 259 g or 1295 ct). Origin: The rough material comes from Lafaiete, Minas Gerais, Brazil. The photos were taken in bright sunlight and .

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  • Ooparts: Out of place Artefacts

    These blocks were then sawn by the same method into more manageable pieces of about 500 x 500 mm. Occasionally the "sawing cable" got stuck on one of the metal spheres embedded in the pyrophyllite. They vary in size from " 30 50 mm in diameter and have perfectly concentric grooves round the center as if .

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  • Steel Balls

    11/2 Inch Diameter, Grade 50, Chrome Steel Ball 62 to 66 C Hardness, Inch Diameter Deviation, Inch Sphericity. MSC# Value Collection (20136) In Stock. Price: Qty.

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  • STONE SPHERES | One of the largest independent providers ...

    STONE SPHERES: Ransfords are one of the largest independent providers of Landscaping in the UK, simply call us on 01327 705 310 or 07976 925 452 for more information.

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  • Strange Ancient Artifacts

    Dec 11, 2018 · Of unknown origin, these spheres measure approximately an inch in diameter, and some are etched with three parallel grooves running around the equator. Two types of spheres have been found: one is composed of a solid bluish metal with flecks of white, while the other is hollowed out and filled with a spongy white substance.

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  • Plastic Spheres

    11/2" (38mm) Dia. White Polypropylene Plastic Floating Spheres (1,000 Balls) 341.

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  • Solder Balls in Sn63Pb37 Alloy

    Sn63Pb37 | .002 Diameter Solder Spheres. Domestic orders in by 2:00PM US Pacific Time ship same day. EasySpheres Sn63Pb37 Solder Balls are manufactured and designed to support optimized ballattach appliions of ball grid array (BGA) and chip scale package (CSP) components. EasySpheres are packaged to resist surface darkening ...

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  • KGSBull. 130, Pt. 2Pliocene Pisolitic Limestone

    The more important difference between the spheres from the limestone of the two formations is the smaller diameter of the spheres from Ogallala. . . . It appears as if the spherical bodies from the concentrically banded limestone of the Wallace county Ogallala, which is of Lower Pliocene age, if correctly interpreted as individual cells of an ...

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  • Circular tooth thickness from over pins (balls ...

    Circular tooth thickness from over pins (balls) mesurment for external involute gears or splines.

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  • Some concepts about DIN 5480 spline dimension Part 1 ...

    Sep 22, 2019 · Step 1: Reference diameter. The tooth interlock of a shaft and hub splined connection is determined by the basic rack profile, the reference diameter, the module and the number of teeth. For example : DIN 5480 W 50 x 2 x 24 x 8h. DIN 5480 N 50 x 2 x 24 x 9H.

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  • TAG

    Thick Ass Glass carries a unique selection of highquality, affordable glass water pipes and dab rigs. Our online head shop is stocked with your favorite glass bongs including oil rigs, downstems, bubblers and ash chers. Shop confidently with TAG's optional two .

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  • Utilization of Iron Ore Tailings as Raw Material for ...

    Mar 16, 2016 · The quartz sand passed through a mm sieve by grinding, because coarse quartz sand has a negative effect on the burnability of raw meal. The raw meals were shaped in small spheres with a diameter of 15 mm and then dried in an oven at 105°C for 1 h. These small spheres .

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  • Mixing of granular media in a drum mixer

    Geometry. Figure 1 shows the drum geometry. The drum length, L, is 760 mm; the drum outer diameter, D o, is 620 mm; and the drum mouth diameter, D m, is 315 interior of the drum has five equally spaced baffles to aid the mixing process. The baffles taper from the rear to the front of the drum.

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  • Spheres made from Agate, Rock, Jasper, Fiber Optics and ...

    This is an interesting, very cool Petrified Wood sphere from Madagascar. It measures 4 3/4" in diameter, weighs over 5 pounds and has a good polish. The sphere has a great mix of contrasting colors and cool natural cavity all in a wonderful design. It does have a fill area and lots of fracture lines.

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