ball mills forums

Ball mill - Tools and Tooling - APC Forum

I am sorry if it is wrong here to ask about different applications than pyrotechnics, but this forum seems to be of the very few that talks about ball mills. The reason I am looking for a ball mill, is because I need the powder to be around 75 microns, preferably less as much as possible.

ball mills - Tools and Tooling - APC Forum

Page 1 of 3 - ball mills - posted in Tools and Tooling: I have been making fireworks for a year now and I love it. My only problem is now that I am making more stuff than I am buying I was wondering what type of ball mill to get to make bigger batches of black powder in 1 run. I currently have the 6 pound rock tumbler from harbor freight that has been modified according to the skylighter website.

Ball Mills and Sag Mill problem AMP Maintenance Forums

Nov 21, 2007  Hello all, I work in an industrial copper company as vibration analysis supervisor. This company started to work about 2 years ago. We have two Ball Mills and one Sag Mill. We had some visual inspection on pinion and ring gears, during these...

Ball Mill Explosion! - Safety - APC Forum

Jan 13, 2010  Page 1 of 3 - Ball Mill Explosion! - posted in Safety: Everyone, I am submitting this telling of Gary Smith accident yesterday with his ball mill. I am posting this with his direct consent.I can’t believe I’m having to type this, but unfortunately I am.I had a ball mill explode this afternoon, no one was hurt, but my favorite mill was destroyed, and it was in my greenhouse, which I had ...

Gas Velocity in an Air Swept Ball Mill? - bulk-online Forums

May 04, 2020  Gas velocity in a Air Swept Ball Mill? How much? Hi everybody!! I will start with an easy questions( I can't find the answer by my self... :S) I know that the gas velocity in a normal Ball Mill should be around 1,5 m/s. Now the problem arrives when I want to use an Air Swept ball mill. So, anybody could tell me an average/normal value for the gas velocity in air swept ball mills?

Ball Mill (Tucson) $6,000 - JLA FORUMS

Jan 22, 2021  .092 Diameter Ball End Mill Double End (HUNTINGTON BEACH) $12. Xerox workcentre 4118 (mill valley) $225 (mill. futon mattress (full) (mill valley) (mill va. Hidden Fates Ultra Ball And Great Ball Collections (Starke) $300. JLA FORUMS - Menu Close. View in: Mobile 320

Ball End Mills McMaster-Carr

Cobalt Steel Ball End Mills with Two Milling Ends. With better heat and wear resistance than high-speed steel, these cobalt steel end mills can run at higher speeds and provide better performance on hard material, such as cast iron, hardened steel, titanium, and tool steel.

Electronic ear in SAG mill Automation Control ...

Aug 25, 2004  We have an application in a SAG Mill where we have installed an electronic ear in order to listen the noise produced by the balls falling to the bottom of the mill. Our idea is to convert the amplitude and frequency of noise to a 4-20mA signal (or something else) in order to determine if the ball is crushing the mineral or the mill lining.

Ball Mills - an overview ScienceDirect Topics

Oleg D. Neikov, in Handbook of Non-Ferrous Metal Powders, 2009 Tumbling Ball Mills. Tumbling ball mills or ball mills are most widely used in both wet and dry systems, in batch and continuous operations, and on a small and large scale.. Grinding elements in ball mills travel at different velocities. Therefore, collision force, direction and kinetic energy between two or more elements vary ...

Used Ball-mills For Sale - A.M. King

Inventory ID: 6C-KT01. 2 Units - UNUSED FLSMIDTH 27' x 46' (8.230m ID x 14.021m L) Gearless Ball Mills with 20.5 MW (20500 kW) GMD Motors

Ball mill construction - Member Tutorials - APC Forum

Jan 13, 2015  Page 1 of 2 - Ball mill construction - posted in Member Tutorials: Hello guys this is my first tutorial in this forum.I hope you like it any criticism is accepted. First a few wards about ball mill.Ball mill is one of the most important tools in the pyro hobby.It is used for grinding course chemicals into fine powders and making black powder.Ball mills can be bought or

BALL MILL (Tucspn) $6,000 - JLA FORUMS

Jan 22, 2021  .092 Diameter Ball End Mill Double End (HUNTINGTON BEACH) $12. Xerox workcentre 4118 (mill valley) $225 (mill. 2" Drop, 2" Ball Class III Combination Ball Mount (Austin) $10. Tennis Ball Hopper, 75 Ball Capacity, also stands up (HIGHLANDS RANCH) $30. JLA FORUMS ...

Condition Monitoring of Ball Mill. AMP Maintenance Forums

May 16, 2008  HI Prabhu, I used to monitor 9 iron ore ball-mills that range from 3000 to 5000 Hp at 15 rpm. First variable speed machine is tricky see with operation the possibility to collect the data at a fixed speed which is closer to average operation.

Gas Velocity in an Air Swept Ball Mill? - bulk-online Forums

May 04, 2020  Gas velocity in a Air Swept Ball Mill? How much? Hi everybody!! I will start with an easy questions( I can't find the answer by my self... :S) I know that the gas velocity in a normal Ball Mill should be around 1,5 m/s. Now the problem arrives when I want to use an Air Swept ball mill. So, anybody could tell me an average/normal value for the gas velocity in air swept ball mills?

Basic questions about ball end mills - Practical Machinist

Feb 01, 2020  Radiused end mills can do a lot of the 3-D surfacing work and will run better/ last longer. Ball nose, despite the poor cutting geometry are easier to program so used very often for die or surfacing as it is kind of a no brainier. This is good as you provide more jobs for end mill makers or resharp houses.

Electronic ear in SAG mill Automation Control ...

Aug 25, 2004  We have an application in a SAG Mill where we have installed an electronic ear in order to listen the noise produced by the balls falling to the bottom of the mill. Our idea is to convert the amplitude and frequency of noise to a 4-20mA signal (or something else) in order to determine if the ball is crushing the mineral or the mill lining.

Ball Mills - an overview ScienceDirect Topics

Oleg D. Neikov, in Handbook of Non-Ferrous Metal Powders, 2009 Tumbling Ball Mills. Tumbling ball mills or ball mills are most widely used in both wet and dry systems, in batch and continuous operations, and on a small and large scale.. Grinding elements in ball mills travel at different velocities. Therefore, collision force, direction and kinetic energy between two or more

Dedrick Mills To Announce His Plans For ... - HuskerMax Forums

Jan 08, 2021  In 2 seasons (18) games Mills has averaged a little of 12 carries per game. Lets contrast that to ISU's running back (Hall) this season who averaged 23 carries per game. How is Mills going to be a difference maker when that's all he touches the ball? Mills actually averaged 5 yds per carry for his entire career at Nebraska which isn't to shabby ...

Engraving with Ball Mill - Autodesk Community

Hi, I would love to be able to engrave with a ball mill. The current engrave function requires a chamfer mill, and gives nice corners, but the trough of the engraving requires a perfect point on the chamfer mill, which is cutting with little to no surface speed. It would be great if the was the ...

Ball Mill Question - Forums - ICMJ's Mining Journal Forums

Dec 27, 2016  The fourth factor is the final required mesh that you plan to mill down to. Since the balls basically come in one size, and I haven't measured them, they are about 3" diameter. There are sources for small milling balls for milling pigments and small batches in small ball mills i.e. bench-top mills.

Used Ball Mills for sale. Allis-Chalmers equipment more ...

6 x 14 ft (1.8 x 4.3 m) Allis Chalmers ball mill with 250 HP. Manufacturer: Allis-Chalmers - Configured for overflow discharge wet grinding - GE 250 HP induction motor: 460 V, 3 Ph, 60 Hz - Hamilton gearbox, 4.01:1 reduction ratio - On structural steel skid - Discharge trommel - Used rubber liners inst...

Taper Ball Mills - Vectric Customer

Feb 10, 2017  Re: Taper Ball Mills Post by martin54 » Fri Feb 10, 2017 9:30 pm I think this is probably about finding the right sellers than anything else, looked at some of the bits again it is hard to believe some of what is written, one I noticed said that the bits were hand sharpened sizes were give or take 1mm which is a huge variance lol

Ball mill - Wikipedia

A ball mill, a type of grinder, is a cylindrical device used in grinding (or mixing) materials like ores, chemicals, ceramic raw materials and paints.Ball mills rotate around a horizontal axis, partially filled with the material to be ground plus the grinding medium. Different materials are used as media, including ceramic balls, flint pebbles, and stainless steel balls.

Ball Milling - Studio Operations and Making Work - Ceramic ...

Jul 28, 2015  I just finished making a direct drive ball mill on the cheap. Im milling my first batch of material. I have stainless steel ball bearings (1/4 ,1/2, and 3/4 dia.) in the drum. I have no idea about how long it takes to mill material. ( hours vs days?) Right now i have loaded basalt gravel ( 20 mes...

High vibrations on a ball mill AMP Maintenance Forums

Jan 21, 2011  Herringbone gear should mirror across the center and I believe that spur gear temperature is the same across the contact line. You spectrum really look like alignment problem of the pinion. We had synchronous motor so we first align the gearbox with the motor then the pinion with the gearbox and finally the ball mill with the pinion.

Ball Mill vs. Vertical Roller Mill - bulk-online Forums

May 05, 2020  Vertical roller mill adopts three-dimensional structure,which needs less space,ball mill is just the opposite.And vertical roller mill is cheaper than ball mill,if you don't need high productivity,roller mill is a better choice. I think this note,which called what is the difference between vertical roller mill and ball mill can help you.

Ball Mill Refiners Vs Roller Refiners - Community ...

Jul 15, 2011  I am researching the differences between making or shall I say refining chcolate and ingredient mixes on a ball mill refiner versus roller refiner process. There seems to be a difference of opinion. I must say the finest chocolate I have tasted most often comes off a roller refined, dry conch and then wet conch system. Recently in researching bean to bar production for our teaching institute...

Ball end mill feature modeling SOLIDWORKS Forums

Jun 06, 2014  To make your ball mill work you must make the radius tangent to the side of the endmill, just like a ball mill is made. There are certain shapes that will not work with the solid sweep cut. A ball mill is an endmill with the corner radius being the same as the radius of the endmill.

Fluting Barrels Question Shooters' Forum

Dec 13, 2020  Coated ball end mills worked really well, don't need flood coolant, manufacturer recommends air blast for chip removal, plus I am feeding it really slow, I have time on my hands. I have a couple tapered heavy varmint hunting barrels I want to flute.

Metallurgy Mineral Processing - Over 9000 Members and ...

Ask for Help with Questions / Offer Answers / Give and Receive Ideas, Solutions Opinions Hello and welcome to 911 Metallurgist’ Mineral Processing/Metallurgy Community Discussion Forums. Please join me and other Mineral Processing Industry Professionals in a this uniquely friendly environment. Forum Search Please SELECT YOUR TOPIC of interest (From List Below) to Read or ADD A TOPIC

bulk-online Forums

Feb 08, 2021  Ball Mill vs. Vertical Roller... by . williamscrystal. View Profile View Forum Posts 4th May 2020, 8:18. Bulk Ports Shipping. Forum Actions: ... Contains unread forum posts Contains no unread forum posts Forum is Closed for Posting Forum is a category Forum

Carbide 3D Tooling Guide - Carbide 3D

Ball nose end mills are known to be used for contoured or organic shapes. They do a nice job of getting in the nooks and crannies of contours without disturbing the surrounding material. Square End mills are commonly used for 2D and 2.5D parts, where flat bottoms and vertical walls define the design.

What's the difference between a Roller Mill and a Hammer ...

Hammer Mill A finer particle size can be achieved in comparison to a roller mill. With proper filtration, the hammer mill allows for more efficient use of malt grains by increasing surface area. It requires less grain to make the same amount of beer when using a hammer mill.

** Ball Mill (Tucson) $6,000 - JLA FORUMS

Jan 22, 2021  FOR SALE - El Paso, TX - BALL MILL 4 ft. X 5 ft. $6,000, May consider Trade ?? Please call or text Frank at Five Two Zero - Three Three One - Six Two Two Se ... ** Ball Mill (Tucson) $6,000 - JLA FORUMS

Condition Monitoring of Ball Mill. AMP Maintenance Forums

May 16, 2008  HI Prabhu, I used to monitor 9 iron ore ball-mills that range from 3000 to 5000 Hp at 15 rpm. First variable speed machine is tricky see with operation the possibility to collect the data at a fixed speed which is closer to average operation.

Ball Mill Question - Forums - ICMJ's Mining Journal Forums

Dec 27, 2016  The fourth factor is the final required mesh that you plan to mill down to. Since the balls basically come in one size, and I haven't measured them, they are about 3" diameter. There are sources for small milling balls for milling pigments and small batches in small ball mills i.e. bench-top mills.

Is this a real cannon ball? - Forums - U.S. Militaria Forum

Oct 21, 2020  Have been searching on-line and cannot verify for certain if this is a real cannon ball or a ball mill steel. It appears to be cast iron, has the seam and pour hole. Is 3 1/8 in diameter and weighs 4 lbs. 7 oz. Is it real? Thanks for any assistance.