Abrasive is a material, often a mineral, that is used to shape or finish a workpiece through rubbing, which leads to part of the workpiece being worn away by friction. While finishing a material often means polishing it to gain a smooth, reflective surface, the process can also involve roughening as in satin, matte or beaded finishes. In short, the ceramics which are used to cut, grind and polish other softer materials are known as abrasives.
Cutting tool or cutter is used to cut, shape, and remove material from a workpiece by means of machining tools as well as shear deformation. There are several different types of single edge cutting tools that are made from a variety of hardened metal alloys that are vary in size as well as alloy composition depending on the size and the type of material being turned. These cutting tools are held stationary by what is known as a tool post which is what manipulates the tools to cut the material into the desired shape.
Inspections ensure accuracy and standard. Inspection can be a visual inspection or involve sensing technologies such as ultrasonic testing, accomplished with a direct physical presence or remotely such as a remote visual inspection, and manually or automatically such as an automated optical inspection. Non-contact optical measurement and photogrammetry have become common NDT methods for inspection of manufactured components and design optimization.
Machining is a process in which a material (often metal) is cut to a desired final shape and size by a controlled material-removal process. The processes that have this common theme are collectively called subtractive manufacturing, which utilizes machine tools, in contrast to additive manufacturing (3D printing), which uses controlled addition of material.
Material testing is an interdisciplinary field of materials science that covers the discovery of new materials and characteristic, classify particularly solids. The field is also commonly termed materials science and engineering emphasizing engineering aspects of building useful items, and materials physics, which emphasizes the use of physics to describe material properties.
Metrology is defined by the International Bureau of Weights and Measures (BIPM) as "the science of measurement, embracing both experimental and theoretical determinations at any level of uncertainty in any field of science and technology". It establishes a common understanding of units, crucial to human activity. Metrology is a wide reaching field, but can be summarized through three basic activities: the definition of internationally accepted units of measurement, the realisation of these units of measurement in practice, and the application of chains of traceability (linking measurements to reference standards). These concepts apply in different degrees to metrology's three main fields: scientific metrology; applied, technical or industrial metrology, and legal metrology.
Overall maintenance functions can defined as maintenance, repair and overhaul (MRO), and MRO is also used for maintenance, repair and operations. The technical meaning of maintenance involves functional checks, servicing, repairing or replacing of necessary devices, equipment, machinery, building infrastructure, and supporting utilities in industrial, business, and residential installations. Over time, this has come to include multiple wordings that describe various cost-effective practices to keep equipment operational; these activities occur either before or after a failure.
Sawing are commonly used for cutting hard materials. They are used extensively in forestry, construction, demolition, medicine, and hunting. saw is a tool consisting of a tough blade, wire, or chain with a hard toothed edge. It is used to cut through material, very often wood, though sometimes metal or stone. The cut is made by placing the toothed edge against the material and moving it forcefully forth and less vigorously back or continuously forward. This force may be applied by hand, or powered by steam, water, electricity or other power source. An abrasive saw has a powered circular blade designed to cut through metal or ceramic.
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NACHI Point Tap STPO List 6868 merupakan solusi handal dan ekonomis untuk pempuatan ulir tapping fastener pada material keras logam ferrous maupun non-ferrous. Dengan bentuk geometri paduan tapping dan bor, Machine tap dari NACHI Point Tap STPO List 6868 ini juga tersedia beragam ukuran untuk tapping ukuran M2 hingga M24 dan ideal untuk pembuatan ulir mesin tembus/through hole.
NACHI Point Tap STPO List 6868 lebih kuat jika digunakan untuk melubangi permukaan material logam lunak lebih dari 30 HRC. Tapping drill ini terbuat dari material inti solid High Speed Steel dengan tambahan Cobalt yang memiliki seri M35 mirip secara fisik dengan M2, tetapi dengan 5% Cobalt ditambahkan. M35 juga dikenal sebagai Cobalt Steel, HSSE atau HSS-E. NACHI Spiral Tap STSP List 6866 ini akan memotong lebih cepat dan lebih awet dari material M2 atau HSS-Co standar.
Sejak 1928, NACHI FUJIKOSHI menawarkan solusi cutting tool dan solusi manufaktur dari kota Kumano – Wakayama Jepang. Pastikan kehandalan dan keaslian Nachi Fujikoshi hanya dengan membelinya di METALEXTRA.com.
Fitur NACHI Point Tap STPO List 6868:
Digunakan untuk bor tangan dan bor duduk dan beragam material logam besi maupun alumunium untuk tujuan pembuatan fastener. Tersedia dalam ukuran standar DIN jerman maupun alternatifnya.
General purpose untuk semua material logam ferrous maupun non-ferrous dengan nilai kekerasan berkisar hingga 30+ HRC. Namun. pengeboran pada material non logam abrasif seperti Fiberglass atau CFRP tidak dianjurkan.
Memiliki 1-3 Flute sehingga mudah dikendalikan dan membuang keluar matrial potong.
Mata potong machine tap ini terbuat dari HSS-E dengan kandungan Cobalt 5% lebih tinggi dari merek lain sehingga tahan panas dan berkekuatan tinggi.
Tersedia untuk diameter 2mm (M2) hingga 24mm (M24), pastikan anda memesan dengan benar.
Harap dicatat: Gambar hanya untuk tujuan representasi. Produk mungkin berbeda dari yang ditunjukkan di atas. Diskon% dibulatkan ke Bilangan bulat terdekat.
Dimension of NACHI Point Tap STPO 6868 M2 – M24:
Order Guide NACHI Point Tap STPO 6868 M2 – M24 (in mm) :
| Product No.記号 | Thread Size 呼び |
TAP Limit 等級 |
食付（P) Lc (P) |
全長 L |
ねじ長 ℓ |
Flutes 溝数 |
Ds シャンク径 |
Ln 首下長さ |
首径 dn |
Type 形式 |
|
| 2M0.4R | M2 X 0.4 | REG | P1 | 5 | 40 | 9 | 2 | 3 | 15 | 2.1* | 1 |
| 2M0.4R+1 | REG+1 | P2 | |||||||||
| 2.5M0.45R | M2.5 X 0.45 | REG | P2 | 5 | 44 | 10 | 2 | 3 | 16 | 2.7* | 1 |
| 2.5M0.45R+1 | REG+1 | P3 | |||||||||
| 2.6M0.45R | M2.6 X 0.45 | REG | P2 | 5 | 44 | 10 | 2 | 3 | 16 | 2.7* | 1 |
| 2.6M0.45R+1 | REG+1 | P3 | |||||||||
| 3M0.5R | M3 X 0.5 | REG | P2 | 5 | 46 | 11 | 3 | 4 | 18 | 2.4 | 2 |
| 3M0.5R+1 | REG+1 | P3 | |||||||||
| 3.5M0.6R | M3.5 X 0.6 | REG | P2 | 5 | 48 | 13 | 3 | 4 | 18 | 2.8 | 2 |
| 3.5M0.6R+1 | REG+1 | P3 | |||||||||
| 4M0.7R | M4 X 0.7 | REG | P2 | 5 | 52 | 13 | 3 | 5 | 20 | 3.1 | 2 |
| 4M0.7R+1 | REG+1 | P3 | |||||||||
| 5M0.8R | M5 X 0.8 | REG | P2 | 5 | 60 | 16 | 3 | 5.5 | 22 | 4 | 2 |
| 5M0.8R+1 | REG+1 | P3 | |||||||||
| 6M1R | M6 X 1 | REG | P2 | 5 | 62 | 17 | 3 | 6 | 28 | 4.8 | 2 |
| 6M1R+1 | REG+1 | P3 | |||||||||
| 6M0.75R | M6 X 0.75 | REG | P2 | 5 | 62 | 14 | 3 | 6 | 28 | 4.8 | 2 |
| 6M0.75R+1 | REG+1 | P3 | |||||||||
| 7M1R | M7 X 1 | REG | P2 | 5 | 65 | 17 | 3 | 6.2 | – | – | 3 |
| 7M1R+1 | REG+1 | P3 | |||||||||
| 8M1.25R | M8 X 1.25 | REG | P3 | 5 | 70 | 22 | 3 | 6.2 | – | – | 3 |
| 8M1.25R+1 | REG+1 | P4 | |||||||||
| 8M1R | M8 X 1 | REG | P2 | 5 | 70 | 17 | 3 | 6.2 | – | – | 3 |
| 8M1R+1 | REG+1 | P3 | |||||||||
| 8M1R+2 | REG+2 | P4 | |||||||||
| 10M1.5R | M10 X 1.5 | REG | P3 | 5 | 75 | 27 | 3 | 7 | – | – | 3 |
| 10M1.5R+1 | REG+1 | P4 | |||||||||
| 10M1.25R | M10 X 1.25 | REG | P3 | 5 | 75 | 22 | 3 | 7 | – | – | 3 |
| 10M1.25R+1 | REG+1 | P4 | |||||||||
| 10M1R | M10 X 1 | REG | P2 | 5 | 75 | 17 | 3 | 7 | – | – | 3 |
| 10M1R+1 | REG+1 | P3 | |||||||||
| 10M1R+2 | REG+2 | P4 | |||||||||
| 12M1.75R | M12 X 1.75 | REG | P4 | 5 | 82 | 32 | 3 | 8.5 | – | – | 3 |
| 12M1.75R+1 | REG+1 | P5 | |||||||||
| 12M1.5R | M12 X 1.5 | REG | P3 | 5 | 82 | 28 | 3 | 8.5 | – | – | 3 |
| 12M1.5R+1 | REG+1 | P4 | |||||||||
| 12M1.25R | M12 X 1.25 | REG | P4 | 5 | 82 | 23 | 3 | 8.5 | – | – | 3 |
| 12M1.25R+1 | REG+1 | P5 | |||||||||
| 14M2R | M14 X 2 | REG | P4 | 5 | 88 | 32 | 3 | 10.5 | – | – | 3 |
| 14M2R+1 | REG+1 | P5 | |||||||||
| 14M1.5R | M14 X 1.5 | REG | P3 | 5 | 88 | 28 | 3 | 10.5 | – | – | 3 |
| 14M1.5R+1 | REG+1 | P4 | |||||||||
| 16M2R | M16 X 2 | REG | P4 | 5 | 95 | 32 | 3 | 12.5 | – | – | 3 |
| 16M2R+1 | REG+1 | P5 | |||||||||
| 16M1.5R | M16 X 1.5 | REG | P3 | 5 | 95 | 28 | 3 | 12.5 | – | – | 3 |
| 16M1.5R+1 | REG+1 | P4 | |||||||||
| 18M2.5R | M18 X 2.5 | REG | P4 | 5 | 100 | 37.5 | 3 | 14 | – | – | 3 |
| 18M2.5R+1 | REG+1 | P5 | |||||||||
| 18M1.5R | M18 X 1.5 | REG | P4 | 5 | 100 | 28 | 3 | 14 | – | – | 3 |
| 18M1.5R+1 | REG+1 | P5 | |||||||||
| 20M2.5R | M20 X 2.5 | REG | P4 | 5 | 105 | 37.5 | 3 | 15 | – | – | 3 |
| 20M2.5R+1 | REG+1 | P5 | |||||||||
| 20M1.5R | M20 X 1.5 | REG | P4 | 5 | 105 | 28 | 3 | 15 | – | – | 3 |
| 20M1.5R+1 | REG+1 | P5 | |||||||||
| 22M2.5R | M22 X 2.5 | REG | P4 | 5 | 115 | 37.5 | 3 | 17 | – | – | 3 |
| 22M2.5R+1 | REG+1 | P5 | |||||||||
| 22M1.5R | M22 X 1.5 | REG | P4 | 5 | 115 | 28 | 3 | 17 | – | – | 3 |
| 22M1.5R+1 | REG+1 | P5 | |||||||||
| 24M3R | M24 X 3 | REG | P4 | 5 | 120 | 45 | 3 | 19 | – | – | 3 |
| 24M3R+1 | REG+1 | P5 | |||||||||
| 24M1.5R | M24 X 1.5 | REG | P4 | 5 | 120 | 31 | 3 | 19 | – | – | 3 |
| 24M1.5R+1 | REG+1 | P5 |
＊：呼び径＜首径です。めねじ加工深さが深い場合、ねじ長以上入れると折損の危険があります。
＊： Thread Size < Neck diameter (dn) When depth of cutting a female thread is deep, if putting the screw length or more in length, there is a risk of breakage.
形式 1 ～ 2 は突出しセンタ Type 1 ～ 2 with External Centre
Application NACHI Point Tap STPO 6868 M2 – M24:
| Work Materials | 一般構造用鋼 SS Structural Steel |
低炭素鋼 S15C Low Carbon Steel |
中炭素鋼
S40C Medium Carbon Steel |
高炭素鋼 S50C High Carbon Steel |
合金鋼 SCM, SCr Alloy Steel |
高硬度鋼 Hardened Steel |
ステンレス鋼 SUS Stainless Steel |
鋳鉄 FC Cast Iron |
ダクタイル 鋳鉄 FCD Ductile Cast Iron |
アルミニウム 合金 AC, ADC Aluminum Alloy |
||
| — 200HB | — 200HB | — 200HB | — 200HB | — 200HB | 20 — 30HRC | 30 — 40HRC | ||||||
| STSP | Selection chart 選定 | o | o | ◎ | o | o | o | – | – | – | o | o |
| MSH (m/min) Cutting Speed 切削速度 | 5—15 | 5—15 | 5—15 | 5—15 | 5—15 | 5—8 | – | – | – | 5—15 | 10 — 20 | |
| STPO | Selection chart 選定 | o | o | ◎ | o | o | o | – | – | – | o | o |
| MSH (m/min) Cutting Speed 切削速度 | 6 — 20 | 6 — 20 | 6 — 20 | 6 — 20 | 6 — 20 | 5— 10 | – | – | – | 6 — 20 | 10 — 20 | |
| 推奨切削油剤 Cutting Fluids | Sulfochlorinated Oil Water soluble Oil | Water soluble Oil | ||||||||||
Attention on using the cutting condition tables
1. 表中の数値は一般的な基準であり、 ご使用条件により切削条件を変更してください。
2. 表中の数値はねじの深さ 2Dc（ねじの呼び径の 2 倍）が基準です。
1. These are general cutting condition, and may be altered by your conditions.
2. These conditions are for thread depth of 2 × Dc.
Tanggal:
