Special small diameter hole and blind hole expansion clamp

A rivet cutter head is shown in Fig. 1. The cutter is reverse cut, and its inner hole structure is composed of φ11_(?)~(+0.04) mm and a flat groove of 9 mm. The traditional clamping method used in grinding the turret head in our factory is shown in Figure 2. Due to the shallow positioning .......

UK Develops Nutritional Supplements to Relieve Elderly Blindness

British researchers recently reported that they have developed a new nutritional supplement that can effectively alleviate age-related macular degeneration, a common disease that causes blindness in the elderly.

The press communique released on the 19th by Queen's University B.......

New powerful backing pad

In view of the deficiencies of the prior art, the present invention provides a new type of strong backing pad with reasonable structure, strong loosening performance and convenient use.

The new powerful anti-backing pad is made of special spring steel, and its anatomical surface is in .......

New home inspection room stay "six steps"

Recently led by the Qijia Household Network, nine well-known building materials companies such as Asia Ceramics, Yangzi Floor, and Simon Electric have jointly signed a nationwide strategic cooperation agreement for network buyout. A national buyout strategic alliance was established. This .......

Control of vegetable mites

Aphids are the most common pests in vegetable cultivation and have the longest hazard. The harm of aphids to vegetables is not only to directly suck the plant juice, but also to excrete honeydew to induce coal pollution, affect leaf photosynthesis, and spread a variety of vegetable virus d.......

How to scientifically use glyphosate

Glyphosate is a broad-spectrum herbicide with strong endocrine conductivity. Widely used in orchards, woodland, leisure land and farmland weed control. Glyphosate has a protective effect on more than 40 families of plants, including monocotyledonous and dicotyledonous, annual and perennial.......