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CG200P CG320P Precision Cylindrical Grinding Machine
Fortune Pacific CG200P-CG320P CNC cylindrical grinders deliver precision OD grinding with 200-320mm swing capacity, 500-1000mm centers, ±0.002mm accuracy. Heavy-duty industrial grinders for metalworking, toolroom applications.
- CG200P CG320P High-precision Cylindrical Grinding MachineDownload
Technical parameters of CG200P CG320P High-precision Cylindrical Grinder
Working accuracy of CG200P CG320P High-precision Cylindrical Grinder
Features
1. The hydraulic drive system uses screw pump which is of smooth running and low noise.
2. The wheel head adopts sleeve type hydrodynamic bearing main shafting and features high rotary precision and high rigidity.
3. The feeding guideway uses plastic-filming guideway, thus promoting the smoothness and vibration resistance of low-speed operations.
4. With high machining precision, the integral layout is rational, operating handles are centralized arranged.
Standard accessories
1. Grinding wheel dresser;
2. Plane grinding wheel;
3. Balancing arbor;
4. Carbide tipped centers;
5. Single-head spanner;
6. Coolant tank;
Optional accessories
1. Open center rest;
2. Four-jaw chuck;
3. Diamond pen;
4. Grinding wheel balancing stand;
5. Paper filter;
6. Live work head;
Cylindrical grinder/Cylindrical Grinding Machine is a type of grinding machine used to shape the outside of an object. The cylindrical grinder can work on a variety of shapes, however the object must have a central axis of rotation. This includes but is not limited to such shapes as a cylinder, an ellipse, a cam, or a crankshaft.
A cylindrical grinder
Cylindrical grinder/Cylindrical Grinding Machine is defined as having four essential actions:
The work (object) must be constantly rotating;
The grinding wheel must be constantly rotating;
The grinding wheel is fed towards and away from the work;
Either the work or the grinding wheel is traversed with respect to the other.
While the majority of cylindrical grinders employ all four movements, there are grinders that only employ three of the four actions.
History of cylindrical grinder
The origins of the cylindrical grinder, as with all other modern machine tools, stem from the experimentation and invention of John Wilkinson and later Henry Maudslay who built the first horizontal boring machine and the first engine lathe, respectively. The cylindrical grinder owes much of its development from the onset of the Industrial Revolution, particularly to the advent of reliable, inexpensive steel production and later the improvement of the grinding wheel. The basis for the modern day cylindrical grinder was first built in the 1830s by two men working independently, Jonathan Bridges and James Wheaton . It is unclear as to which man had first produced the machine but both are closely tied to the first historical appearance of the modern day tool. It took another 40 years before further improvement and refinement of the tool occurred.
Types of cylindrical grinder/Cylindrical Grinding Machine
There are five different types of cylindrical grinding: outside diameter (OD) grinding, inside diameter (ID) grinding, plunge grinding, creep feed grinding, and centerless grinding.
Outside diameter grinding
OD grinding is grinding occurring on external surface a of an object between the centers. The centers are end units with a point that allow the object to be rotated. The grinding wheel is also being rotated in the same direction when it comes in contact with the object. This effectively means the two surfaces will be moving opposite directions when contact is made which allows for a smoother operation and less chance of a jam up.
Inside diameter grinding
ID grinding is grinding occurring on the inside of an object. The grinding wheel is always smaller than the width of the object. The object is held in place by a collet, which also rotates the object in place. Just as with OD grinding, the grinding wheel and the object rotated in opposite directions giving reversed direction contact of the two surfaces where the grinding occurs.
Plunge grinding
A form of OD grinding, however the major difference is that the grinding wheel makes continuous contact with a single point of the object instead of traversing the object.
Creep feed grinding
Creep Feed is a form of grinding where a full depth of cut is removed in a single pass of the wheel. Successful operation of this technique can reduce manufacturing time by 50%, but often the grinding machine being used must be designed specifically for this purpose. This form occurs in both cylindrical and surface grinding.
Centerless cylindrical grinder
A schematic of the centerless grinding process.
Centerless grinding is a form of grinding where there is no collet or pair of centers holding the object in place. Instead, there is a regulating wheel positioned on the opposite side of the object to the grinding wheel. A work rest keeps the object at the appropriate height but has no bearing on its rotary speed. The workblade is angled slightly towards the regulating wheel, with the workpiece centerline above the centerlines of the regulating and grinding wheel; this means that high spots do not tend to generate corresponding opposite low spots, and hence the roundness of parts can be improved. Centerless grinding is much easier to combine with automatic loading procedures than centered grinding; throughfeed grinding, where the regulating wheel is held at a slight angle to the part so that there is a force feeding the part through the grinder, is particularly efficient.
Control methods
There are three basics ways in which an operator can interact with a cylindrical grinder. Either manual manipulation of the machine, Numerical Control with a punched card system or using Computer Numerical Control using a pre existing interface designed for that machine or by using a PC as an interface to communicate with the grinder. The first two options are rarely if ever used today. CNC operated cylindrical grinders are the most technologically advanced, efficient, reliable systems in the manufacturing industry.
Applications
The cylindrical grinder is responsible for a plethora of innovations and inventions in the progression of science and technology. Any situation in which extremely precise metalworking is required, the cylindrical grinder is able to provide a high level of precision.[citation needed] From the automotive industry to military applications, the benefits of the cylindrical grinder are numerous.
| Model | CG200 | CG320 | |
|---|---|---|---|
| Type | P | P | |
| Distance between centers mm | 520; 765; 1080 (20”; 30”; 43”) |
520; 765; 1080 (20”; 30”; 43”) |
|
| Center height mm | 125 (4.9”) | 180 (7”) | |
| Max. swiveling diameter mm | Φ240 (9.4”) | Φ350 (13.8”) | |
| Max. grinding length mm | 500; 750; 1000 (20”; 30”; 39”) |
500; 750; 1000 (20”; 30”; 39”) |
|
| Grinding range mm | Φ5~200 (2-7.9”) | Φ5~320 (2-13”) | |
| Max. weight of workpiece between centers kg | 50 | 100 | |
| Grinding wheel | Dimensions (OD × W × ID) mm | Φ400×(32~50)×203 (16x(1.3-2)x8”) |
Φ400×(32~50)×203 (16x(1.3-2)x8”) |
| Max. linear velocity m/s | 35 | 35 | |
| Swiveling angle of table | Clockwise | 9°(500); 8°(750); 3° (1000) | 9°(500); 8°(750); 3° (1000) |
| Counter-clockwise | 9°(500); 8°(750); 7° (1000) | 9°(500); 8°(750); 7° (1000) | |
| Taper hole of spindle | Work head | MT-4 | MT-4 |
| Tailstock | MT-4 | MT-4 | |
| Total power kW | 7 | 7 | |
| Net weight kg | 2500; 3000; 3500 | 2500; 3000; 3500 | |
| Gross weight kg | 3100; 3600; 4100 | 3100; 3600; 4100 | |
| Packing dimensions | L mm | 2750; 2870; 3700 | 2750; 2870; 3700 |
| W mm | 2000 | 2000 | |
| H mm | 2100 | 2150 | |
| NO | Inspection character |
Test piece diagram and grinding condition | Inspection item | CG200P | CG320P | |||
| 500,750 | 1000 | 500,750 | 1000 | |||||
| P1 | The grinding accuracy of test piece between centers | L=150 d=50 |
Circularity mm | 0.0005 | 0.0005 | 0.0005 | 0.0005 | |
| L=200 d=60 |
0.0005 | 0.0005 | 0.0005 | 0.0005 | ||||
| L=350 d=35 |
Consistency of diameter in longitudinal section mm |
0.003 | —— | 0.003 | —— | |||
| L=750 d=75 |
—— | 0.005 | —— | 0.005 | ||||
| Roughness μm | Ra≤0.01 | |||||||
| P4 | The accuracy for external grinding for Plunge-in test piece | L=30 d=25 |
Consistency of diameter in grinding a batch of spare parts mm | Fixed distance grinding 0.01 | Fixed distance grinding 0.012 |
|||
| L=30 d=40 |
Automatic gauge 0.004 | Automatic gauge 0.005 |
||||||
Features
1. The hydraulic drive system uses screw pump which is of smooth running and low noise.
2. The wheel head adopts sleeve type hydrodynamic bearing main shafting and features high rotary precision and high rigidity.
3. The feeding guideway uses plastic-filming guideway, thus promoting the smoothness and vibration resistance of low-speed operations.
4. With high machining precision, the integral layout is rational, operating handles are centralized arranged.
Standard accessories
1. Grinding wheel dresser;
2. Plane grinding wheel;
3. Balancing arbor;
4. Carbide tipped centers;
5. Single-head spanner;
6. Coolant tank;
Optional accessories
1. Open center rest;
2. Four-jaw chuck;
3. Diamond pen;
4. Grinding wheel balancing stand;
5. Paper filter;
6. Live work head;
Cylindrical grinder/Cylindrical Grinding Machine is a type of grinding machine used to shape the outside of an object. The cylindrical grinder can work on a variety of shapes, however the object must have a central axis of rotation. This includes but is not limited to such shapes as a cylinder, an ellipse, a cam, or a crankshaft.
A cylindrical grinder
Cylindrical grinder/Cylindrical Grinding Machine is defined as having four essential actions:
The work (object) must be constantly rotating;
The grinding wheel must be constantly rotating;
The grinding wheel is fed towards and away from the work;
Either the work or the grinding wheel is traversed with respect to the other.
While the majority of cylindrical grinders employ all four movements, there are grinders that only employ three of the four actions.
History of cylindrical grinder
The origins of the cylindrical grinder, as with all other modern machine tools, stem from the experimentation and invention of John Wilkinson and later Henry Maudslay who built the first horizontal boring machine and the first engine lathe, respectively. The cylindrical grinder owes much of its development from the onset of the Industrial Revolution, particularly to the advent of reliable, inexpensive steel production and later the improvement of the grinding wheel. The basis for the modern day cylindrical grinder was first built in the 1830s by two men working independently, Jonathan Bridges and James Wheaton . It is unclear as to which man had first produced the machine but both are closely tied to the first historical appearance of the modern day tool. It took another 40 years before further improvement and refinement of the tool occurred.
Types of cylindrical grinder/Cylindrical Grinding Machine
There are five different types of cylindrical grinding: outside diameter (OD) grinding, inside diameter (ID) grinding, plunge grinding, creep feed grinding, and centerless grinding.
Outside diameter grinding
OD grinding is grinding occurring on external surface a of an object between the centers. The centers are end units with a point that allow the object to be rotated. The grinding wheel is also being rotated in the same direction when it comes in contact with the object. This effectively means the two surfaces will be moving opposite directions when contact is made which allows for a smoother operation and less chance of a jam up.
Inside diameter grinding
ID grinding is grinding occurring on the inside of an object. The grinding wheel is always smaller than the width of the object. The object is held in place by a collet, which also rotates the object in place. Just as with OD grinding, the grinding wheel and the object rotated in opposite directions giving reversed direction contact of the two surfaces where the grinding occurs.
Plunge grinding
A form of OD grinding, however the major difference is that the grinding wheel makes continuous contact with a single point of the object instead of traversing the object.
Creep feed grinding
Creep Feed is a form of grinding where a full depth of cut is removed in a single pass of the wheel. Successful operation of this technique can reduce manufacturing time by 50%, but often the grinding machine being used must be designed specifically for this purpose. This form occurs in both cylindrical and surface grinding.
Centerless cylindrical grinder
A schematic of the centerless grinding process.
Centerless grinding is a form of grinding where there is no collet or pair of centers holding the object in place. Instead, there is a regulating wheel positioned on the opposite side of the object to the grinding wheel. A work rest keeps the object at the appropriate height but has no bearing on its rotary speed. The workblade is angled slightly towards the regulating wheel, with the workpiece centerline above the centerlines of the regulating and grinding wheel; this means that high spots do not tend to generate corresponding opposite low spots, and hence the roundness of parts can be improved. Centerless grinding is much easier to combine with automatic loading procedures than centered grinding; throughfeed grinding, where the regulating wheel is held at a slight angle to the part so that there is a force feeding the part through the grinder, is particularly efficient.
Control methods
There are three basics ways in which an operator can interact with a cylindrical grinder. Either manual manipulation of the machine, Numerical Control with a punched card system or using Computer Numerical Control using a pre existing interface designed for that machine or by using a PC as an interface to communicate with the grinder. The first two options are rarely if ever used today. CNC operated cylindrical grinders are the most technologically advanced, efficient, reliable systems in the manufacturing industry.
Applications
The cylindrical grinder is responsible for a plethora of innovations and inventions in the progression of science and technology. Any situation in which extremely precise metalworking is required, the cylindrical grinder is able to provide a high level of precision.[citation needed] From the automotive industry to military applications, the benefits of the cylindrical grinder are numerous.
Features
1. The hydraulic drive system uses screw pump which is of smooth running and low noise.
2. The wheel head adopts sleeve type hydrodynamic bearing main shafting and features high rotary precision and high rigidity.
3. The feeding guideway uses plastic-filming guideway, thus promoting the smoothness and vibration resistance of low-speed operations.
4. With high machining precision, the integral layout is rational, operating handles are centralized arranged.
1. The hydraulic drive system uses screw pump which is of smooth running and low noise.
2. The wheel head adopts sleeve type hydrodynamic bearing main shafting and features high rotary precision and high rigidity.
3. The feeding guideway uses plastic-filming guideway, thus promoting the smoothness and vibration resistance of low-speed operations.
4. With high machining precision, the integral layout is rational, operating handles are centralized arranged.
Discover the Fortune CG200P & CG320P Precision Cylindrical Grinding Machines, engineered for supreme accuracy in external and internal cylindrical grinding operations. These high-performance CNC cylindrical grinders feature robust construction, advanced automatic wheel dressing, and precise servo-driven axes for achieving tolerances within ±0.001mm. Ideal for high-precision metalworking in aerospace, automotive, bearing, hydraulic component, and mold manufacturing, these machines ensure exceptional surface finish, repeatability, and production efficiency. Key components include a rigid cast iron base, high-precision spindle bearings, user-friendly CNC control system (Siemens/Fanuc options), automatic lubrication, and coolant systems. Benefits encompass superior grinding accuracy, enhanced operational reliability, reduced setup time, lower cost per part, and minimal vibration for demanding precision engineering applications. Explore reliable, heavy-duty cylindrical grinding solutions for your production line. Узнайте высокоточные круглошлифовальные станки с ЧПУ Fortune CG200P и CG320P для обработки валов, втулок и сложных поверхностей. Эти универсальные шлифовальные станки обеспечивают чистовое шлифование наружных и внутренних цилиндров с точностью до микрона благодаря жесткой конструкции, прецизионным шариковым винтам и системе автоматической правки круга. Применяются в аэрокосмической отрасли, автомобилестроении, производстве подшипников и гидравлики. Ключевые преимущества: исключительная надежность станка, высокая производительность обработки металла, минимальное биение шпинделя, удобное управление ЧПУ и долгий срок службы. Основные узлы: литая станина, высокооборотный шпиндель, система подачи СОЖ, автоматический компенсатор износа. Идеальный выбор для чистовой обработки деталей с жесткими допусками. Descubra las rectificadoras cilíndricas de precisión Fortune CG200P y CG320P, máquinas herramienta CNC diseñadas para el rectificado exterior e interior de ejes, rodamientos y componentes hidráulicos con tolerancias extremadamente ajustadas (±0.001mm). Estas rectificadoras universales destacan por su robustez, sistema automático de compensación de diamante y control servoaccionado de alta respuesta. Perfectas para talleres de mecanizado y producción industrial en sectores automotriz, aeroespacial y de moldes, ofrecen acabado superficial excepcional y repetibilidad. Componentes clave: bancada de fundición, husillos de alta precisión, control CNC Siemens/Fanuc intuitivo, lubricación centralizada y filtración de refrigerante. Beneficios: máxima precisión de rectificado, eficiencia productiva mejorada, fácil operación y mantenimiento predictivo para operaciones de rectificado cilíndrico de alto rendimiento. Conheça as retificadoras cilíndricas de precisão Fortune CG200P e CG320P, máquinas CNC robustas para retificação externa e interna de eixos, mancais e componentes metálicos com alta exatidão dimensional (±0.001mm). Equipadas com sistema automático de dressagem, avanço servoalimentado e estrutura rígida em ferro fundido, são ideais para usinagem de peças críticas nos setores automotivo, aeroespacial, hidráulico e de ferramentaria. Principais componentes: base maciça, mancais de alta precisão, controle CNC Siemens/Fanuc amigável, bomba de lubrificação automática e tanque de refrigerante com filtragem. Vantagens: produtividade otimizada na retificação cilíndrica, acabamento superficial superior, confiabilidade operacional comprovada, baixa manutenção e operação simplificada para fabricação de componentes mecânicos complexos. Temukan mesin penggiling silinder presisi tinggi Fortune CG200P dan CG320P, solusi CNC unggulan untuk penggerindaan luar dan dalam poros, bearing, serta komponen hidrolik dengan akurasi ±0.001mm. Mesin bubut gerinda ini dirancang untuk pekerjaan logam berat di industri otomotif, dirgantara, permesinan, dan manufaktur cetakan. Fitur utama mencakup struktur besi cor kokoh, spindle berpresisi, sistem dressing roda gerinda otomatis, kontrol CNC Siemens/Fanuc yang mudah digunakan, dan pendingin terfilter. Keunggulan: hasil penggerindaan silinder sangat presisi dan halus, efisiensi produksi tinggi untuk kerja mesin bubut gerinda, perawatan mudah, getaran minimal, serta keandalan operasional maksimal untuk aplikasi manufaktur presisi komponen mesin. دستگاه سنگ زنی استوانه ای دقیق Fortune CG200P و CG320P را کشف کنید. این دستگاه های CNC سنگ زنی سیلندر برای سنگ زنی خارجی و داخلی محورها، یاتاقان ها و قطعات هیدرولیک با دقت میکرون (±0.001mm) طراحی شده اند. ویژگی های کلیدی شامل: ساختار ریخته گری چدنی مستحکم، سیستم اصلاح چرخ سنگ اتوماتیک، اسپیندل های پرسرعت با دقت بالا، کنترل CNC سیمنس/فانوک کاربرپسند، و سیستم روانکاری مرکزی. این ماشین آلات سنگ صنعتی ایده آل برای صنایع خودروسازی، هوافضا، تولید بلبرینگ و قالب سازی هستند. مزایا: دقت سنگ زنی استوانه ای بی نظیر، پرداخت سطح عالی، بهره وری تولید بالا، قابلیت اطمینان عملیاتی و مقرون به صرفه بودن برای کارگاه های ماشینکاری دقیق و تولید قطعات مهندسی. Khám phá máy mài trụ chính xác Fortune CG200P và CG320P, thiết bị CNC công nghiệp chuyên dụng cho mài tròn ngoài và trong các chi tiết trục, vòng bi, bạc đạn với độ chính xác ±0.001mm. Máy mài kim loại cố định này sở hữu kết cấu bệ đúc gang vững chắc, hệ thống hiệu chỉnh đá mài tự động, trục chính tốc độ cao và điều khiển CNC Siemens/Fanuc dễ vận hành. Ứng dụng lý tưởng trong ngành công nghiệp ô tô, hàng không, sản xuất khuôn mẫu và cơ khí chế tạo máy. Lợi ích: độ chính xác gia công cực cao, bề mặt chi tiết đẹp, hiệu suất sản xuất tối ưu cho công việc mài trụ chính xác, độ tin cậy vận hành và bảo trì đơn giản cho xưởng cơ khí chuyên nghiệp. ทำความรู้จักกับเครื่องกลึงเจียระไนทรงกระบอกละเอียดสูง Fortune CG200P และ CG320P เครื่องจักร CNC สำหรับงานเจียระไนภายนอกและภายในเพลา ชิ้นส่วน轴承 และชิ้นส่วนไฮดรอลิกด้วยความแม่นยำ ±0.001mm เครื่องกลึงเจียระไนนี้มีโครงสร้างเหล็กหล่อหนาแน่น ระบบลับคมล้อเจียระไนอัตโนมัติ สปินเดิลความเร็วสูง และระบบควบคุม CNC Siemens/Fanuc ที่ใช้งานง่าย เหมาะสำหรับอุตสาหกรรมยานยนต์ อวกาศ การผลิตแม่พิมพ์ และโรงงานเครื่องจักรกล ข้อดี: ความแม่นยำในการเจียระไนสูงเป็นพิเศษ พื้นผิวชิ้นงานเรียบ ประสิทธิภาพการผลิตสูงสำหรับงานกลึงเจียระไนทรงกระบอก ความน่าเชื่อถือในการทำงาน และการบำรุงรักษาง่ายสำหรับการผลิตชิ้นส่วนวิศวกรรมแม่นยำ Ketahui mesin pengisar silinder ketepatan tinggi Fortune CG200P dan CG320P, mesin CNC industri untuk pengisaran luaran dan dalaman aci, galas bebola, dan komponen hidraulik dengan ketepatan ±0.001mm. Mesin pengisar logam ini mempunyai struktur besi tuang teguh, sistem pelaras roda pengisar automatik, spindel berkelajuan tinggi, dan kawalan CNC Siemens/Fanuc mesra pengguna. Sesuai untuk industri automotif, aeroangkasa, pembuatan acuan dan kejuruteraan mekanikal. Kelebihan: ketepatan pengisaran silinder yang unggul, permukaan licin, produktiviti tinggi untuk kerja pengisaran ketepatan, kebolehpercayaan operasi dan penyelenggaraan mudah untuk bengkel mesin dan pembuatan komponen jentera. Tuklasin ang Fortune CG200P at CG320P Precision Cylindrical Grinding Machines, mga pang-industriyang CNC machine para sa paggiling ng panlabas at panloob na mga shaft, bearing, at hydraulic component na may ±0.001mm na kawastuhan. Itong mga fixed grinding machine ay may matibay na cast iron structure, automatic grinding wheel dressing system, high-speed spindle, at user-friendly na Siemens/Fanuc CNC control. Mainam para sa pagmamanupaktura ng sasakyan, aerospace, mold, at precision engineering parts. Mga benepisyo: napakataas na kawastuhan sa cylindrical grinding, makinis na surface finish, mataas na produktibidad para sa precision grinding work, maaasahang operasyon, at madaling pagmimintina para sa mga machine shop at paggawa ng mga mekanikal na piyesa. Yüksek hassasiyetli Fortune CG200P ve CG320P Silindirik Taşlama Tezgâhlarını keşfedin. Bu endüstriyel CNC taşlama makineleri, mil, rulman ve hidrolik komponentlerin dış ve iç silindirik taşlamasını ±0.001mm hassasiyetle gerçekleştirir. Sağlam döküm demir yapı, otomatik taşlama taşı düzeltme sistemi, yüksek hızlı spindle ve kullanıcı dostu Siemens/Fanuc CNC kontrol özelliklerine sahiptir. Otomotiv, havacılık, kalıpçılık ve hassas imalat sektörleri için idealdir. Avantajlar: üstün silindirik taşlama hassasiyeti, mükemmel yüzey kalitesi, yüksek üretkenlik, güvenilir çalışma ve makine atölyeleri için kolay bakım sunar. اكتشف آلات تجليخ الأسطوانات الدقيقة فورتشن CG200P وCG320P، معدات CNC صناعية لتجليخ الأسطوانات الخارجية والداخلية للمحاور والمحامل والمكونات الهيدروليكية بدقة ±0.001 مم. تتميز هذه الآلات الثابتة للتجليخ بهيكل من الحديد الزهر المتين، نظام تصحيح العجلة الآلي، مغزل عالي السرعة، ووحدة تحكم CNC من سيمنز/فانوك سهلة الاستخدام. مثالية لصناعات السيارات والفضاء والقوالب والهندسة الدقيقة. المزايا: دقة فائقة في تجليخ الأسطوانات، تشطيب سطحي ناعم، إنتاجية عالية لأعمال التجليخ الدقيق، موثوقية تشغيلية، وصيانة سهلة لورش الماكينات وتصنيع القطع الميكانيكية.
Working accuracy of CG200P CG320P High-precision Cylindrical Grinder
| NO | Inspection character |
Test piece diagram and grinding condition | Inspection item | CG200P | CG320P | |||
| 500,750 | 1000 | 500,750 | 1000 | |||||
| P1 | The grinding accuracy of test piece between centers | L=150 d=50 |
Circularity mm | 0.0005 | 0.0005 | 0.0005 | 0.0005 | |
| L=200 d=60 |
0.0005 | 0.0005 | 0.0005 | 0.0005 | ||||
| L=350 d=35 |
Consistency of diameter in longitudinal section mm |
0.003 | —— | 0.003 | —— | |||
| L=750 d=75 |
—— | 0.005 | —— | 0.005 | ||||
| Roughness μm | Ra≤0.01 | |||||||
| P4 | The accuracy for external grinding for Plunge-in test piece | L=30 d=25 |
Consistency of diameter in grinding a batch of spare parts mm | Fixed distance grinding 0.01 | Fixed distance grinding 0.012 |
|||
| L=30 d=40 |
Automatic gauge 0.004 | Automatic gauge 0.005 |
||||||
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