PULVERISETTE 7 Micro Mill - Premium line Easy bowl change Touch screen Grinding Bowl (SelfLOCK system) Grinding Ball

[Ordering Information] Cat. # 제 품 명   07.5000.00 PULVERISETTE 7 Micro Mill - Premium line 견적요청 독일 Fritsch 제품의 공전/자전형 Ball Mill 건식/습식 샘플 모두 가능하며, 최종 입도 0.1 um 까지 샘플처리 가능 세라믹, 금속, 화학, 광물, 분석시료 등 의 전처리 장비로 매우 유용 Disk 의 공전속도가 최대 1,100 rpm으로 high performance 결과를 얻을 수 있음 중력의 최대 95배에 해당하는 중력가속도로 단시간에 샘플을 나노 사이즈로 처리   [Planetary Ball Mill 원리보기]     [주요 기능] 다양한 type의 sample 처리 - Hard, medium-hard, brittle 2개의 Grinding Bowl 를 처리 동시에 2개 Sample 까지 처리 가능 20 ml, 45 ml, 80 ml의 3종류의 Grinding Bowl 사용 다양한 재질의 Grinding Bowl 사용 - Agate - Sintered corundum (99.7% Al2O3) - Silicon nitride, with steel casing - Zirconium oxide - Stainless steel - Tempered steel - Hardmetal tungsten carbide, with steel casing 다양한 크기 및 재질의 Grinding Ball 사용 - 20 mm, 15 mm, 10 mm, 5 mm - 3 mm, 2 mm, 1.5 mm, 1 mm, 0.5 mm, 0.1 mm 최대 Sample 처리량: 70 ml 최소 Sample 처리량: 0.5 ml Max. feeding size: 5 mm Inert gas 충진 상태에서 grinding 가능: 산화방지 Planetary disk 와 Grinding bowl 사이의 회전 비율 - 1 : -2 - Planetary disk 공전 Speed range: 100 ~ 1,100 rpm - Grinding Bowl 자전 Speed range: Disk 공전속도   대비 x -2 의 비율로 회전

제품 동영상	동영상 자료실 가기
Planetary Ball Mill - Classic line

[Application]
Geology and mineralogy	Rock, gravel, sand, minerals
Ceramics	Porcelain, sintered ceramics, clay, firelay
Chemistry	Pesticides, fertilisers, salts, inorganic and organic materials
Biology	Plants, leaves, freeze-dried samples
Pharmaceuticals	Ophthalmological agents, gels, creams, extracts, drugs  Pastes, dragees, tablets
Metallurgy	Ores, sinters
Material technology	Pigments, precious materials, new materials,  alloys, mechanical alloying and activating
Analysis preparation	Spectroscopy, X-ray fluorescence,  X-ray structure analysis, chromatography

[SPECIFICATION]
Technical Data	PULVERISETTE 7 Micro Mill - Premium line
Working principle	Impact force
Number of working stations	2
Grinding bowl size	20, 45, 80 ml
Grinding ball diameter	0.1 ~ 20 mm
Max.feed size	5 mm
Min. sample quantity	0.5 ml
Max.sample quantity	70 ml
Final fineness	< 0.1 um
Typical grinding time down to analytical fineness	3 min
Grinding process	Dry / wet
Grinding in inert gas	Yes
Gas pressure and temperature measurement	Yes
Rotational speed of main disk	100 ~ 1,100 rpm
Transmission ratio  grinding bowl / planetary disk	i relative = 1 : -2
Effective diameter of main disk	140 mm
Centrifugal acceleration	95 g
Electrical details	10 ~ 120 / 200 ~ 240 V  50 ~ 60 Hz
Motor power	0.94 kW
Weight	44 kg
Dimensions (W x D x H)	400 x 580 x 360 mm

[ACCESSORIES INFORMATION]
Material Data for Grinding Bowls / Grinding Balls
Material	Main component of the material	Density g / cm3	Abrasion resistance	Use for material to be ground
Agate	SiO2	2.65	Good	Soft to medium-hard samples
Sintered corundum	Al2O3(99.7%)	3.8	Fairly good	Medium-hard, fibrous samples
Silicon nitride	Si3N4	3.25	Excellent	Abrasive samples, iron-free grinding
Zirconium oxide	ZrO2	5.9	Very good	Fibrous, abrasive samples
Stainless steel	Fe-Cr-Ni	7.8	Fairly good	Medium-hard, brittle samples
Tempered steel	Fe-Cr	7.9	Good	Hard, brittle samples
Hardmetal tungsten carbide	WC	14.95	Very good	Hard, abrasive samples
Recommended Bowl Filling
I. Grinding balls > 5 mm: Recommended number of balls                                             per grinding bowl
Grindling Bowl /	20 ml	45 ml	80 ml
Useful capacity	1 ~ 9 ml	3 ~ 20 ml	10 ~ 30 ml
Balls diameter
20 mm			5
15 mm		7	10
10 mm	10	18	25
5 mm	80	180	250
II. Grinding balls < 3 mm: Recommended ball mass                                             per grinding bowl in grams
Grindling Bowl /	20 ml	45 ml	80 ml
Useful capacity	1 ~ 9 ml	3 ~ 20 ml	10 ~ 30 ml
Material
Zirconium oxide	30	70	100
Stainless steel / Tempered steel	40	90	150
Hardmetal tunsten carbide	80	200	300