Moulding Sand Properties Testing

[@pushkrajjanwadkar]

There are fully automatic equipment doing this now a days.

[@ziadnajm1118]

Could you help to share why some people mix the sands with molasses or engine oils and can you tell me what’s called that equipments please

[@VinothKumar-qo7ry]

Permeability number formula should be multiplied by 60 for time in secs ?

[@kumarmanoj4512]

Time to find permeability no should be used in minutes to get correct answer.

[@yatinbansal07]

Sir. How to prepare naoh solution. Kindly explain. Thank you.

[@umeshvhaval6898]

Please tell required moulding sand properties for all test for cast iron.

[@pushkrajjanwadkar]

It really depends on the kind of casting and the kind of moulding process deployed. for High pressure moulding it might be 3.6-4.0%, for jolt squeeze about 4.0 to 4.5%. For hand moulding it depends.

[@shekharcreation5794]

Sir ,from loi reports to gcs calculation method formula I want to know... Pls help sir..., If u watcing this text pls reply me sir...

[@savalmalik6793]

How to download ppt

[@sangamureddikishorenaidu3885]

Can we use this for gate lectures?

[@bennykarunakar73]

Yes. Definitely.

[@sreenivasmd6484]

Thank you sir, here you are not explained about return sand and sand temperature.

[@sayanbag4784]

How 200.5 is coming permeability no???? Check calculation, it's coming 3.004.

[@akshaywagde6019]

Sand dry aane ki wajah se water badana padta hai then water badane se moisture increase hota hai wo use control kaise kre sir

[@pushkrajjanwadkar]

Return sand moisutre (if you are using a sand plant) needs to be between 1.6-1.9%

[@akshaywagde6019]

Moisture ki control kaise kare sir

[@abhijeetbisen7345]

Control the water content in it......if it is low, spray water in small amounts and if it is high dry the sand (can accelerate the process using blowers)

[@pushkrajjanwadkar]

Where?

[@ziadnajm1118]

@@abhijeetbisen7345 Could you help to share why some people mix the sands with molasses or engine oils please ?

[@abhijeetbisen7345]

@@ziadnajm1118 Molasses: 1. Acts as a binder, holding the sand grains together. 2. Helps create a stronger, more durable mold. 3. Reduces mold erosion during pouring. Engine Oil: 1. Improves mold release properties (eases removal of cast part). 2. Reduces friction between mold and cast metal. 3. Helps prevent mold sticking.

[@ziadnajm1118]

@@abhijeetbisen7345 so Which type is better 1-water 2-molasses 3- engine oils ?

[@sayanbag4784]

I saw Sayan bg...

[@sayanbag4784]

I saw Sayan l.l