PULVERISETTE 7 Micro Mill Rotational speed: 800 rpm Grinding Bowl Grinding Ball

[Ordering Information] Cat. # 제 품 명   07.4000.00 PULVERISETTE 7 Micro Mill 견적요청 독일 Fritsch 제품의 공전/자전형 Ball Mill 건식/습식 샘플 모두 가능하며, 최종 입도 1 um 이하로 샘플처리 가능 세라믹, 금속, 화학, 광물, 분석시료 등 의 전처리 장비로 매우 유용 Disk 의 공전속도가 최대 800 rpm으로 high performance 결과를 얻을 수 있음   [Planetary Ball Mill 원리보기]     [주요 기능] 다양한 type의 sample 처리 - Hard, medium-hard, soft, brittle, tough, moist 2개의 Grinding Bowl 를 처리 동시에 2개 Sample 까지 처리 가능 12 ml, 45 ml 의 2종류의 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 - 15 mm, 10 mm, 5 mm - 3 mm, 2 mm, 1.5 mm, 1 mm, 0.5 mm 최대 Sample 처리량: 40 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 ~ 800 rpm - Grinding Bowl 자전 Speed range: Disk 공전속도   대비 x -2 의 비율로 회전

제품 동영상	동영상 자료실 가기
Planetary Ball Mill - Classic line
Planetary Ball Mill - Premium 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

[장비특징]
1.	Large rotational speed range with accurate display
2.	Grinding chamber completely encapsulated but easy to open
3.	Cooling of the grinding chamber with a built-in fan for long grinding times
4.	Programmable microprocessor control
5.	Precise rotational speed regulation with display of set / actual values
6.	Program-timer for grinding operation and cooling phases
7.	RS232 interface for output of process data and programming of grinding cycles
8.	Ergonomic IP64 membrane keyboard
9.	Maintenance-free drive with asynchronous motor and frequency converter
10.	Recyclable plastic housing
11.	Energy save function (electricity saving mode)
12.	Certified safety CE

[SPECIFICATION]
Technical Data	PULVERISETTE 7 Micro Mill
Working principle	Impact force
Number of working stations	2
Grinding bowl size	12, 45 ml
Grinding ball diameter	0.5 ~ 15 mm
Max.feed size	5 mm
Min. sample quantity	0.5 ml
Max.sample quantity	40 ml
Final fineness	< 1 um
Typical grinding time down to analytical fineness	3 min
Grinding process	Dry / wet
Grinding in inert gas	Only possible in glove box
Gas pressure and temperature measurement	No
Rotational speed of main disk	100 ~ 800 rpm
Transmission ratio  grinding bowl / planetary disk	i relative = 1 : -2
Effective diameter of main disk	140 mm
Centrifugal acceleration	50 g
Electrical details	10 ~ 120 / 200 ~ 240 V  50 ~ 60 Hz
Motor power	0.37 kW
Weight	35 kg
Dimensions (W x D x H)	370 x 530 x 500 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 /	12 ml	45 ml	80 ml	250 ml	500 ml
Useful capacity	0.5 ~ 5 ml	3 ~ 20 ml	10 ~ 30 ml	30 ~ 125 ml	80 ~ 225 ml
Balls diameter
40 mm					4
30 mm				6	8
20 mm			5	15	25
15 mm		7	10	45	70
10 mm	6	18	25	50	100
5 mm	50	180	250	1200	2000
II. Grinding balls < 3 mm: Recommended ball mass per grinding bowl in grams
Grindling Bowl /	12 ml	45 ml	80 ml	250 ml	500 ml
Useful capacity	0.5 ~ 5 ml	3 ~ 20 ml	10 ~ 30 ml	30 ~ 125 ml	80 ~ 225 ml
Material
Zirconium oxide	20	70	100	400	800
Tempered steel	30	90	150	500	1100
Hardmetal tunsten carbide	50	200	300	1000	2100